20175571250

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{1229}}^1$

素因数の和:1845

約数の個数: 80

約数和(自身を含む): 39562585920

約数和(自身を除く): 19387014670

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 571, 575, 625, 1142, 1150, 1229, 1250, 2458, 2855, 2875, 5710, 5750, 6145, 12290, 13133, 14275, 14375, 26266, 28267, 28550, 28750, 30725, 56534, 61450, 65665, 71375, 131330, 141335, 142750, 153625, 282670, 307250, 328325, 356875, 656650, 701759, 706675, 713750, 768125, 1403518, 1413350, 1536250, 1641625, 3283250, 3508795, 3533375, 7017590, 7066750, 8208125, 16140457, 16416250, 17543975, 17666875, 32280914, 35087950, 35333750, 80702285, 87719875, 161404570, 175439750, 403511425, 438599375, 807022850, 877198750, 2017557125, 4035114250, 10087785625, 20175571250]

約数ペア:

[(1, 20175571250), (2, 10087785625), (5, 4035114250), (10, 2017557125), (23, 877198750), (25, 807022850), (46, 438599375), (50, 403511425), (115, 175439750), (125, 161404570), (230, 87719875), (250, 80702285), (571, 35333750), (575, 35087950), (625, 32280914), (1142, 17666875), (1150, 17543975), (1229, 16416250), (1250, 16140457), (2458, 8208125), (2855, 7066750), (2875, 7017590), (5710, 3533375), (5750, 3508795), (6145, 3283250), (12290, 1641625), (13133, 1536250), (14275, 1413350), (14375, 1403518), (26266, 768125), (28267, 713750), (28550, 706675), (28750, 701759), (30725, 656650), (56534, 356875), (61450, 328325), (65665, 307250), (71375, 282670), (131330, 153625), (141335, 142750)]