42141580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1487}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 96243840

約数和(自身を除く): 54102260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 1487, 2180, 2834, 2974, 5668, 5948, 7085, 7435, 14170, 14870, 19331, 28340, 29740, 38662, 77324, 96655, 162083, 193310, 324166, 386620, 648332, 810415, 1620830, 2107079, 3241660, 4214158, 8428316, 10535395, 21070790, 42141580]

約数ペア:

[(1, 42141580), (2, 21070790), (4, 10535395), (5, 8428316), (10, 4214158), (13, 3241660), (20, 2107079), (26, 1620830), (52, 810415), (65, 648332), (109, 386620), (130, 324166), (218, 193310), (260, 162083), (436, 96655), (545, 77324), (1090, 38662), (1417, 29740), (1487, 28340), (2180, 19331), (2834, 14870), (2974, 14170), (5668, 7435), (5948, 7085)]