25712500

素因数分解:

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

素因数の和:68

約数の個数: 108

約数和(自身を含む): 65456748

約数和(自身を除く): 39744248

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 121, 125, 170, 187, 220, 242, 250, 275, 340, 374, 425, 484, 500, 550, 605, 625, 748, 850, 935, 1100, 1210, 1250, 1375, 1700, 1870, 2057, 2125, 2420, 2500, 2750, 3025, 3125, 3740, 4114, 4250, 4675, 5500, 6050, 6250, 6875, 8228, 8500, 9350, 10285, 10625, 12100, 12500, 13750, 15125, 18700, 20570, 21250, 23375, 27500, 30250, 34375, 41140, 42500, 46750, 51425, 53125, 60500, 68750, 75625, 93500, 102850, 106250, 116875, 137500, 151250, 205700, 212500, 233750, 257125, 302500, 378125, 467500, 514250, 584375, 756250, 1028500, 1168750, 1285625, 1512500, 2337500, 2571250, 5142500, 6428125, 12856250, 25712500]

約数ペア:

[(1, 25712500), (2, 12856250), (4, 6428125), (5, 5142500), (10, 2571250), (11, 2337500), (17, 1512500), (20, 1285625), (22, 1168750), (25, 1028500), (34, 756250), (44, 584375), (50, 514250), (55, 467500), (68, 378125), (85, 302500), (100, 257125), (110, 233750), (121, 212500), (125, 205700), (170, 151250), (187, 137500), (220, 116875), (242, 106250), (250, 102850), (275, 93500), (340, 75625), (374, 68750), (425, 60500), (484, 53125), (500, 51425), (550, 46750), (605, 42500), (625, 41140), (748, 34375), (850, 30250), (935, 27500), (1100, 23375), (1210, 21250), (1250, 20570), (1375, 18700), (1700, 15125), (1870, 13750), (2057, 12500), (2125, 12100), (2420, 10625), (2500, 10285), (2750, 9350), (3025, 8500), (3125, 8228), (3740, 6875), (4114, 6250), (4250, 6050), (4675, 5500)]