66221440

素因数分解:

$2^7\times 5^1\times {\mathrm{103471}}^1$

素因数の和:103490

約数の個数: 32

約数和(自身を含む): 158312160

約数和(自身を除く): 92090720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 103471, 206942, 413884, 517355, 827768, 1034710, 1655536, 2069420, 3311072, 4138840, 6622144, 8277680, 13244288, 16555360, 33110720, 66221440]

約数ペア:

[(1, 66221440), (2, 33110720), (4, 16555360), (5, 13244288), (8, 8277680), (10, 6622144), (16, 4138840), (20, 3311072), (32, 2069420), (40, 1655536), (64, 1034710), (80, 827768), (128, 517355), (160, 413884), (320, 206942), (640, 103471)]