196772120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{119983}}^1$

素因数の和:120035

約数の個数: 32

約数和(自身を含む): 453539520

約数和(自身を除く): 256767400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 119983, 239966, 479932, 599915, 959864, 1199830, 2399660, 4799320, 4919303, 9838606, 19677212, 24596515, 39354424, 49193030, 98386060, 196772120]

約数ペア:

[(1, 196772120), (2, 98386060), (4, 49193030), (5, 39354424), (8, 24596515), (10, 19677212), (20, 9838606), (40, 4919303), (41, 4799320), (82, 2399660), (164, 1199830), (205, 959864), (328, 599915), (410, 479932), (820, 239966), (1640, 119983)]