72415360

素因数分解:

$2^7\times 5^1\times {\mathrm{113149}}^1$

素因数の和:113168

約数の個数: 32

約数和(自身を含む): 173119500

約数和(自身を除く): 100704140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 113149, 226298, 452596, 565745, 905192, 1131490, 1810384, 2262980, 3620768, 4525960, 7241536, 9051920, 14483072, 18103840, 36207680, 72415360]

約数ペア:

[(1, 72415360), (2, 36207680), (4, 18103840), (5, 14483072), (8, 9051920), (10, 7241536), (16, 4525960), (20, 3620768), (32, 2262980), (40, 1810384), (64, 1131490), (80, 905192), (128, 565745), (160, 452596), (320, 226298), (640, 113149)]