66261250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 80

約数和(自身を含む): 139455360

約数和(自身を除く): 73194110

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 61, 79, 110, 122, 125, 158, 250, 275, 305, 395, 550, 610, 625, 671, 790, 869, 1250, 1342, 1375, 1525, 1738, 1975, 2750, 3050, 3355, 3950, 4345, 4819, 6710, 6875, 7625, 8690, 9638, 9875, 13750, 15250, 16775, 19750, 21725, 24095, 33550, 38125, 43450, 48190, 49375, 53009, 76250, 83875, 98750, 106018, 108625, 120475, 167750, 217250, 240950, 265045, 419375, 530090, 543125, 602375, 838750, 1086250, 1204750, 1325225, 2650450, 3011875, 6023750, 6626125, 13252250, 33130625, 66261250]

約数ペア:

[(1, 66261250), (2, 33130625), (5, 13252250), (10, 6626125), (11, 6023750), (22, 3011875), (25, 2650450), (50, 1325225), (55, 1204750), (61, 1086250), (79, 838750), (110, 602375), (122, 543125), (125, 530090), (158, 419375), (250, 265045), (275, 240950), (305, 217250), (395, 167750), (550, 120475), (610, 108625), (625, 106018), (671, 98750), (790, 83875), (869, 76250), (1250, 53009), (1342, 49375), (1375, 48190), (1525, 43450), (1738, 38125), (1975, 33550), (2750, 24095), (3050, 21725), (3355, 19750), (3950, 16775), (4345, 15250), (4819, 13750), (6710, 9875), (6875, 9638), (7625, 8690)]