19995672400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1021}}^1\times {\mathrm{4451}}^1$

素因数の和:5501

約数の個数: 120

約数和(自身を含む): 52469954208

約数和(自身を除く): 32474281808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1021, 1100, 2042, 2200, 4084, 4400, 4451, 5105, 8168, 8902, 10210, 11231, 16336, 17804, 20420, 22255, 22462, 25525, 35608, 40840, 44510, 44924, 48961, 51050, 56155, 71216, 81680, 89020, 89848, 97922, 102100, 111275, 112310, 178040, 179696, 195844, 204200, 222550, 224620, 244805, 280775, 356080, 391688, 408400, 445100, 449240, 489610, 561550, 783376, 890200, 898480, 979220, 1123100, 1224025, 1780400, 1958440, 2246200, 2448050, 3916880, 4492400, 4544471, 4896100, 9088942, 9792200, 18177884, 19584400, 22722355, 36355768, 45444710, 49989181, 72711536, 90889420, 99978362, 113611775, 181778840, 199956724, 227223550, 249945905, 363557680, 399913448, 454447100, 499891810, 799826896, 908894200, 999783620, 1249729525, 1817788400, 1999567240, 2499459050, 3999134480, 4998918100, 9997836200, 19995672400]

約数ペア:

[(1, 19995672400), (2, 9997836200), (4, 4998918100), (5, 3999134480), (8, 2499459050), (10, 1999567240), (11, 1817788400), (16, 1249729525), (20, 999783620), (22, 908894200), (25, 799826896), (40, 499891810), (44, 454447100), (50, 399913448), (55, 363557680), (80, 249945905), (88, 227223550), (100, 199956724), (110, 181778840), (176, 113611775), (200, 99978362), (220, 90889420), (275, 72711536), (400, 49989181), (440, 45444710), (550, 36355768), (880, 22722355), (1021, 19584400), (1100, 18177884), (2042, 9792200), (2200, 9088942), (4084, 4896100), (4400, 4544471), (4451, 4492400), (5105, 3916880), (8168, 2448050), (8902, 2246200), (10210, 1958440), (11231, 1780400), (16336, 1224025), (17804, 1123100), (20420, 979220), (22255, 898480), (22462, 890200), (25525, 783376), (35608, 561550), (40840, 489610), (44510, 449240), (44924, 445100), (48961, 408400), (51050, 391688), (56155, 356080), (71216, 280775), (81680, 244805), (89020, 224620), (89848, 222550), (97922, 204200), (102100, 195844), (111275, 179696), (112310, 178040)]