87156940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3319}}^1$

素因数の和:3442

約数の個数: 48

約数和(自身を含む): 199120320

約数和(自身を除く): 111963380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 3319, 5252, 6565, 6638, 13130, 13276, 16595, 26260, 33190, 43147, 66380, 86294, 172588, 215735, 335219, 431470, 670438, 862940, 1340876, 1676095, 3352190, 4357847, 6704380, 8715694, 17431388, 21789235, 43578470, 87156940]

約数ペア:

[(1, 87156940), (2, 43578470), (4, 21789235), (5, 17431388), (10, 8715694), (13, 6704380), (20, 4357847), (26, 3352190), (52, 1676095), (65, 1340876), (101, 862940), (130, 670438), (202, 431470), (260, 335219), (404, 215735), (505, 172588), (1010, 86294), (1313, 66380), (2020, 43147), (2626, 33190), (3319, 26260), (5252, 16595), (6565, 13276), (6638, 13130)]