158945680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64091}}^1$

素因数の和:64135

約数の個数: 40

約数和(自身を含む): 381475584

約数和(自身を除く): 222529904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 64091, 128182, 256364, 320455, 512728, 640910, 1025456, 1281820, 1986821, 2563640, 3973642, 5127280, 7947284, 9934105, 15894568, 19868210, 31789136, 39736420, 79472840, 158945680]

約数ペア:

[(1, 158945680), (2, 79472840), (4, 39736420), (5, 31789136), (8, 19868210), (10, 15894568), (16, 9934105), (20, 7947284), (31, 5127280), (40, 3973642), (62, 2563640), (80, 1986821), (124, 1281820), (155, 1025456), (248, 640910), (310, 512728), (496, 320455), (620, 256364), (1240, 128182), (2480, 64091)]