80235100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:404

約数の個数: 108

約数和(自身を含む): 202027000

約数和(自身を除く): 121791900

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 121, 190, 209, 220, 242, 275, 349, 380, 418, 475, 484, 550, 605, 698, 836, 950, 1045, 1100, 1210, 1396, 1745, 1900, 2090, 2299, 2420, 3025, 3490, 3839, 4180, 4598, 5225, 6050, 6631, 6980, 7678, 8725, 9196, 10450, 11495, 12100, 13262, 15356, 17450, 19195, 20900, 22990, 26524, 33155, 34900, 38390, 42229, 45980, 57475, 66310, 72941, 76780, 84458, 95975, 114950, 132620, 145882, 165775, 168916, 191950, 211145, 229900, 291764, 331550, 364705, 383900, 422290, 663100, 729410, 802351, 844580, 1055725, 1458820, 1604702, 1823525, 2111450, 3209404, 3647050, 4011755, 4222900, 7294100, 8023510, 16047020, 20058775, 40117550, 80235100]

約数ペア:

[(1, 80235100), (2, 40117550), (4, 20058775), (5, 16047020), (10, 8023510), (11, 7294100), (19, 4222900), (20, 4011755), (22, 3647050), (25, 3209404), (38, 2111450), (44, 1823525), (50, 1604702), (55, 1458820), (76, 1055725), (95, 844580), (100, 802351), (110, 729410), (121, 663100), (190, 422290), (209, 383900), (220, 364705), (242, 331550), (275, 291764), (349, 229900), (380, 211145), (418, 191950), (475, 168916), (484, 165775), (550, 145882), (605, 132620), (698, 114950), (836, 95975), (950, 84458), (1045, 76780), (1100, 72941), (1210, 66310), (1396, 57475), (1745, 45980), (1900, 42229), (2090, 38390), (2299, 34900), (2420, 33155), (3025, 26524), (3490, 22990), (3839, 20900), (4180, 19195), (4598, 17450), (5225, 15356), (6050, 13262), (6631, 12100), (6980, 11495), (7678, 10450), (8725, 9196)]