12856250

素因数分解:

$2^1\times 5^5\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:66

約数の個数: 72

約数和(自身を含む): 28052892

約数和(自身を除く): 15196642

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 121, 125, 170, 187, 242, 250, 275, 374, 425, 550, 605, 625, 850, 935, 1210, 1250, 1375, 1870, 2057, 2125, 2750, 3025, 3125, 4114, 4250, 4675, 6050, 6250, 6875, 9350, 10285, 10625, 13750, 15125, 20570, 21250, 23375, 30250, 34375, 46750, 51425, 53125, 68750, 75625, 102850, 106250, 116875, 151250, 233750, 257125, 378125, 514250, 584375, 756250, 1168750, 1285625, 2571250, 6428125, 12856250]

約数ペア:

[(1, 12856250), (2, 6428125), (5, 2571250), (10, 1285625), (11, 1168750), (17, 756250), (22, 584375), (25, 514250), (34, 378125), (50, 257125), (55, 233750), (85, 151250), (110, 116875), (121, 106250), (125, 102850), (170, 75625), (187, 68750), (242, 53125), (250, 51425), (275, 46750), (374, 34375), (425, 30250), (550, 23375), (605, 21250), (625, 20570), (850, 15125), (935, 13750), (1210, 10625), (1250, 10285), (1375, 9350), (1870, 6875), (2057, 6250), (2125, 6050), (2750, 4675), (3025, 4250), (3125, 4114)]