87256460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 188725152

約数和(自身を除く): 101468692

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 241, 421, 430, 482, 842, 860, 964, 1205, 1684, 2105, 2410, 4210, 4820, 8420, 10363, 18103, 20726, 36206, 41452, 51815, 72412, 90515, 101461, 103630, 181030, 202922, 207260, 362060, 405844, 507305, 1014610, 2029220, 4362823, 8725646, 17451292, 21814115, 43628230, 87256460]

約数ペア:

[(1, 87256460), (2, 43628230), (4, 21814115), (5, 17451292), (10, 8725646), (20, 4362823), (43, 2029220), (86, 1014610), (172, 507305), (215, 405844), (241, 362060), (421, 207260), (430, 202922), (482, 181030), (842, 103630), (860, 101461), (964, 90515), (1205, 72412), (1684, 51815), (2105, 41452), (2410, 36206), (4210, 20726), (4820, 18103), (8420, 10363)]