13371260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 32356800

約数和(自身を除く): 18985540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 641, 745, 1043, 1282, 1490, 2086, 2564, 2980, 3205, 4172, 4487, 5215, 6410, 8974, 10430, 12820, 17948, 20860, 22435, 44870, 89740, 95509, 191018, 382036, 477545, 668563, 955090, 1337126, 1910180, 2674252, 3342815, 6685630, 13371260]

約数ペア:

[(1, 13371260), (2, 6685630), (4, 3342815), (5, 2674252), (7, 1910180), (10, 1337126), (14, 955090), (20, 668563), (28, 477545), (35, 382036), (70, 191018), (140, 95509), (149, 89740), (298, 44870), (596, 22435), (641, 20860), (745, 17948), (1043, 12820), (1282, 10430), (1490, 8974), (2086, 6410), (2564, 5215), (2980, 4487), (3205, 4172)]