2705680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1135

約数の個数: 40

約数和(自身を含む): 6499584

約数和(自身を除く): 3793904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1091, 1240, 2182, 2480, 4364, 5455, 8728, 10910, 17456, 21820, 33821, 43640, 67642, 87280, 135284, 169105, 270568, 338210, 541136, 676420, 1352840, 2705680]

約数ペア:

[(1, 2705680), (2, 1352840), (4, 676420), (5, 541136), (8, 338210), (10, 270568), (16, 169105), (20, 135284), (31, 87280), (40, 67642), (62, 43640), (80, 33821), (124, 21820), (155, 17456), (248, 10910), (310, 8728), (496, 5455), (620, 4364), (1091, 2480), (1240, 2182)]