64616240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62131}}^1$

素因数の和:62157

約数の個数: 40

約数和(自身を含む): 161791728

約数和(自身を除く): 97175488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 62131, 124262, 248524, 310655, 497048, 621310, 807703, 994096, 1242620, 1615406, 2485240, 3230812, 4038515, 4970480, 6461624, 8077030, 12923248, 16154060, 32308120, 64616240]

約数ペア:

[(1, 64616240), (2, 32308120), (4, 16154060), (5, 12923248), (8, 8077030), (10, 6461624), (13, 4970480), (16, 4038515), (20, 3230812), (26, 2485240), (40, 1615406), (52, 1242620), (65, 994096), (80, 807703), (104, 621310), (130, 497048), (208, 310655), (260, 248524), (520, 124262), (1040, 62131)]