25152400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1$

素因数の和:729

約数の個数: 120

約数和(自身を含む): 74481344

約数和(自身を除く): 49328944

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 175, 182, 200, 208, 260, 280, 325, 350, 364, 400, 455, 520, 560, 650, 691, 700, 728, 910, 1040, 1300, 1382, 1400, 1456, 1820, 2275, 2600, 2764, 2800, 3455, 3640, 4550, 4837, 5200, 5528, 6910, 7280, 8983, 9100, 9674, 11056, 13820, 17275, 17966, 18200, 19348, 24185, 27640, 34550, 35932, 36400, 38696, 44915, 48370, 55280, 62881, 69100, 71864, 77392, 89830, 96740, 120925, 125762, 138200, 143728, 179660, 193480, 224575, 241850, 251524, 276400, 314405, 359320, 386960, 449150, 483700, 503048, 628810, 718640, 898300, 967400, 1006096, 1257620, 1572025, 1796600, 1934800, 2515240, 3144050, 3593200, 5030480, 6288100, 12576200, 25152400]

約数ペア:

[(1, 25152400), (2, 12576200), (4, 6288100), (5, 5030480), (7, 3593200), (8, 3144050), (10, 2515240), (13, 1934800), (14, 1796600), (16, 1572025), (20, 1257620), (25, 1006096), (26, 967400), (28, 898300), (35, 718640), (40, 628810), (50, 503048), (52, 483700), (56, 449150), (65, 386960), (70, 359320), (80, 314405), (91, 276400), (100, 251524), (104, 241850), (112, 224575), (130, 193480), (140, 179660), (175, 143728), (182, 138200), (200, 125762), (208, 120925), (260, 96740), (280, 89830), (325, 77392), (350, 71864), (364, 69100), (400, 62881), (455, 55280), (520, 48370), (560, 44915), (650, 38696), (691, 36400), (700, 35932), (728, 34550), (910, 27640), (1040, 24185), (1300, 19348), (1382, 18200), (1400, 17966), (1456, 17275), (1820, 13820), (2275, 11056), (2600, 9674), (2764, 9100), (2800, 8983), (3455, 7280), (3640, 6910), (4550, 5528), (4837, 5200)]