64385750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1801}}^1$

素因数の和:1842

約数の個数: 64

約数和(自身を含む): 141680448

約数和(自身を除く): 77294698

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 125, 130, 143, 250, 275, 286, 325, 550, 650, 715, 1375, 1430, 1625, 1801, 2750, 3250, 3575, 3602, 7150, 9005, 17875, 18010, 19811, 23413, 35750, 39622, 45025, 46826, 90050, 99055, 117065, 198110, 225125, 234130, 257543, 450250, 495275, 515086, 585325, 990550, 1170650, 1287715, 2476375, 2575430, 2926625, 4952750, 5853250, 6438575, 12877150, 32192875, 64385750]

約数ペア:

[(1, 64385750), (2, 32192875), (5, 12877150), (10, 6438575), (11, 5853250), (13, 4952750), (22, 2926625), (25, 2575430), (26, 2476375), (50, 1287715), (55, 1170650), (65, 990550), (110, 585325), (125, 515086), (130, 495275), (143, 450250), (250, 257543), (275, 234130), (286, 225125), (325, 198110), (550, 117065), (650, 99055), (715, 90050), (1375, 46826), (1430, 45025), (1625, 39622), (1801, 35750), (2750, 23413), (3250, 19811), (3575, 18010), (3602, 17875), (7150, 9005)]