85718421760

素因数分解:

$2^8\times 5^1\times {\mathrm{389}}^1\times {\mathrm{172153}}^1$

素因数の和:172563

約数の個数: 72

約数和(自身を含む): 205851423960

約数和(自身を除く): 120133002200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 389, 640, 778, 1280, 1556, 1945, 3112, 3890, 6224, 7780, 12448, 15560, 24896, 31120, 49792, 62240, 99584, 124480, 172153, 248960, 344306, 497920, 688612, 860765, 1377224, 1721530, 2754448, 3443060, 5508896, 6886120, 11017792, 13772240, 22035584, 27544480, 44071168, 55088960, 66967517, 110177920, 133935034, 220355840, 267870068, 334837585, 535740136, 669675170, 1071480272, 1339350340, 2142960544, 2678700680, 4285921088, 5357401360, 8571842176, 10714802720, 17143684352, 21429605440, 42859210880, 85718421760]

約数ペア:

[(1, 85718421760), (2, 42859210880), (4, 21429605440), (5, 17143684352), (8, 10714802720), (10, 8571842176), (16, 5357401360), (20, 4285921088), (32, 2678700680), (40, 2142960544), (64, 1339350340), (80, 1071480272), (128, 669675170), (160, 535740136), (256, 334837585), (320, 267870068), (389, 220355840), (640, 133935034), (778, 110177920), (1280, 66967517), (1556, 55088960), (1945, 44071168), (3112, 27544480), (3890, 22035584), (6224, 13772240), (7780, 11017792), (12448, 6886120), (15560, 5508896), (24896, 3443060), (31120, 2754448), (49792, 1721530), (62240, 1377224), (99584, 860765), (124480, 688612), (172153, 497920), (248960, 344306)]