888975940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{13723}}^1$

素因数の和:13852

約数の個数: 48

約数和(自身を含む): 1936730880

約数和(自身を除く): 1047754940

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1580, 3239, 6478, 12956, 13723, 16195, 27446, 32390, 54892, 64780, 68615, 137230, 274460, 562643, 1084117, 1125286, 2168234, 2250572, 2813215, 4336468, 5420585, 5626430, 10841170, 11252860, 21682340, 44448797, 88897594, 177795188, 222243985, 444487970, 888975940]

約数ペア:

[(1, 888975940), (2, 444487970), (4, 222243985), (5, 177795188), (10, 88897594), (20, 44448797), (41, 21682340), (79, 11252860), (82, 10841170), (158, 5626430), (164, 5420585), (205, 4336468), (316, 2813215), (395, 2250572), (410, 2168234), (790, 1125286), (820, 1084117), (1580, 562643), (3239, 274460), (6478, 137230), (12956, 68615), (13723, 64780), (16195, 54892), (27446, 32390)]