79472840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64091}}^1$

素因数の和:64133

約数の個数: 32

約数和(自身を含む): 184584960

約数和(自身を除く): 105112120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 64091, 128182, 256364, 320455, 512728, 640910, 1281820, 1986821, 2563640, 3973642, 7947284, 9934105, 15894568, 19868210, 39736420, 79472840]

約数ペア:

[(1, 79472840), (2, 39736420), (4, 19868210), (5, 15894568), (8, 9934105), (10, 7947284), (20, 3973642), (31, 2563640), (40, 1986821), (62, 1281820), (124, 640910), (155, 512728), (248, 320455), (310, 256364), (620, 128182), (1240, 64091)]