64528750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:84

約数の個数: 120

約数和(自身を含む): 149970744

約数和(自身を除く): 85441994

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 25, 26, 38, 50, 55, 65, 95, 110, 125, 130, 143, 190, 209, 247, 250, 275, 286, 325, 361, 418, 475, 494, 550, 625, 650, 715, 722, 950, 1045, 1235, 1250, 1375, 1430, 1625, 1805, 2090, 2375, 2470, 2717, 2750, 3250, 3575, 3610, 3971, 4693, 4750, 5225, 5434, 6175, 6875, 7150, 7942, 8125, 9025, 9386, 10450, 11875, 12350, 13585, 13750, 16250, 17875, 18050, 19855, 23465, 23750, 26125, 27170, 30875, 35750, 39710, 45125, 46930, 51623, 52250, 61750, 67925, 89375, 90250, 99275, 103246, 117325, 130625, 135850, 154375, 178750, 198550, 225625, 234650, 258115, 261250, 308750, 339625, 451250, 496375, 516230, 586625, 679250, 992750, 1173250, 1290575, 1698125, 2481875, 2581150, 2933125, 3396250, 4963750, 5866250, 6452875, 12905750, 32264375, 64528750]

約数ペア:

[(1, 64528750), (2, 32264375), (5, 12905750), (10, 6452875), (11, 5866250), (13, 4963750), (19, 3396250), (22, 2933125), (25, 2581150), (26, 2481875), (38, 1698125), (50, 1290575), (55, 1173250), (65, 992750), (95, 679250), (110, 586625), (125, 516230), (130, 496375), (143, 451250), (190, 339625), (209, 308750), (247, 261250), (250, 258115), (275, 234650), (286, 225625), (325, 198550), (361, 178750), (418, 154375), (475, 135850), (494, 130625), (550, 117325), (625, 103246), (650, 99275), (715, 90250), (722, 89375), (950, 67925), (1045, 61750), (1235, 52250), (1250, 51623), (1375, 46930), (1430, 45125), (1625, 39710), (1805, 35750), (2090, 30875), (2375, 27170), (2470, 26125), (2717, 23750), (2750, 23465), (3250, 19855), (3575, 18050), (3610, 17875), (3971, 16250), (4693, 13750), (4750, 13585), (5225, 12350), (5434, 11875), (6175, 10450), (6875, 9386), (7150, 9025), (7942, 8125)]