415020820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{2087}}^1$

素因数の和:2320

約数の個数: 48

約数和(自身を含む): 891692928

約数和(自身を除く): 476672108

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 163, 244, 305, 326, 610, 652, 815, 1220, 1630, 2087, 3260, 4174, 8348, 9943, 10435, 19886, 20870, 39772, 41740, 49715, 99430, 127307, 198860, 254614, 340181, 509228, 636535, 680362, 1273070, 1360724, 1700905, 2546140, 3401810, 6803620, 20751041, 41502082, 83004164, 103755205, 207510410, 415020820]

約数ペア:

[(1, 415020820), (2, 207510410), (4, 103755205), (5, 83004164), (10, 41502082), (20, 20751041), (61, 6803620), (122, 3401810), (163, 2546140), (244, 1700905), (305, 1360724), (326, 1273070), (610, 680362), (652, 636535), (815, 509228), (1220, 340181), (1630, 254614), (2087, 198860), (3260, 127307), (4174, 99430), (8348, 49715), (9943, 41740), (10435, 39772), (19886, 20870)]