20153203750

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{5351}}^1$

素因数の和:5527

約数の個数: 80

約数和(自身を含む): 39725883648

約数和(自身を除く): 19572679898

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 131, 230, 250, 262, 575, 625, 655, 1150, 1250, 1310, 2875, 3013, 3275, 5351, 5750, 6026, 6550, 10702, 14375, 15065, 16375, 26755, 28750, 30130, 32750, 53510, 75325, 81875, 123073, 133775, 150650, 163750, 246146, 267550, 376625, 615365, 668875, 700981, 753250, 1230730, 1337750, 1401962, 1883125, 3076825, 3344375, 3504905, 3766250, 6153650, 6688750, 7009810, 15384125, 16122563, 17524525, 30768250, 32245126, 35049050, 76920625, 80612815, 87622625, 153841250, 161225630, 175245250, 403064075, 438113125, 806128150, 876226250, 2015320375, 4030640750, 10076601875, 20153203750]

約数ペア:

[(1, 20153203750), (2, 10076601875), (5, 4030640750), (10, 2015320375), (23, 876226250), (25, 806128150), (46, 438113125), (50, 403064075), (115, 175245250), (125, 161225630), (131, 153841250), (230, 87622625), (250, 80612815), (262, 76920625), (575, 35049050), (625, 32245126), (655, 30768250), (1150, 17524525), (1250, 16122563), (1310, 15384125), (2875, 7009810), (3013, 6688750), (3275, 6153650), (5351, 3766250), (5750, 3504905), (6026, 3344375), (6550, 3076825), (10702, 1883125), (14375, 1401962), (15065, 1337750), (16375, 1230730), (26755, 753250), (28750, 700981), (30130, 668875), (32750, 615365), (53510, 376625), (75325, 267550), (81875, 246146), (123073, 163750), (133775, 150650)]