66533750

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:171

約数の個数: 80

約数和(自身を含む): 137655936

約数和(自身を除く): 71122186

約数列:

[1, 2, 5, 10, 17, 25, 31, 34, 50, 62, 85, 101, 125, 155, 170, 202, 250, 310, 425, 505, 527, 625, 775, 850, 1010, 1054, 1250, 1550, 1717, 2125, 2525, 2635, 3131, 3434, 3875, 4250, 5050, 5270, 6262, 7750, 8585, 10625, 12625, 13175, 15655, 17170, 19375, 21250, 25250, 26350, 31310, 38750, 42925, 53227, 63125, 65875, 78275, 85850, 106454, 126250, 131750, 156550, 214625, 266135, 329375, 391375, 429250, 532270, 658750, 782750, 1073125, 1330675, 1956875, 2146250, 2661350, 3913750, 6653375, 13306750, 33266875, 66533750]

約数ペア:

[(1, 66533750), (2, 33266875), (5, 13306750), (10, 6653375), (17, 3913750), (25, 2661350), (31, 2146250), (34, 1956875), (50, 1330675), (62, 1073125), (85, 782750), (101, 658750), (125, 532270), (155, 429250), (170, 391375), (202, 329375), (250, 266135), (310, 214625), (425, 156550), (505, 131750), (527, 126250), (625, 106454), (775, 85850), (850, 78275), (1010, 65875), (1054, 63125), (1250, 53227), (1550, 42925), (1717, 38750), (2125, 31310), (2525, 26350), (2635, 25250), (3131, 21250), (3434, 19375), (3875, 17170), (4250, 15655), (5050, 13175), (5270, 12625), (6262, 10625), (7750, 8585)]