87142240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17569}}^1$

素因数の和:17615

約数の個数: 48

約数和(自身を含む): 212526720

約数和(自身を除く): 125384480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 17569, 35138, 70276, 87845, 140552, 175690, 281104, 351380, 544639, 562208, 702760, 1089278, 1405520, 2178556, 2723195, 2811040, 4357112, 5446390, 8714224, 10892780, 17428448, 21785560, 43571120, 87142240]

約数ペア:

[(1, 87142240), (2, 43571120), (4, 21785560), (5, 17428448), (8, 10892780), (10, 8714224), (16, 5446390), (20, 4357112), (31, 2811040), (32, 2723195), (40, 2178556), (62, 1405520), (80, 1089278), (124, 702760), (155, 562208), (160, 544639), (248, 351380), (310, 281104), (496, 175690), (620, 140552), (992, 87845), (1240, 70276), (2480, 35138), (4960, 17569)]