38900680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10687}}^1$

素因数の和:10718

約数の個数: 64

約数和(自身を含む): 107735040

約数和(自身を除く): 68834360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 10687, 21374, 42748, 53435, 74809, 85496, 106870, 138931, 149618, 213740, 277862, 299236, 374045, 427480, 555724, 598472, 694655, 748090, 972517, 1111448, 1389310, 1496180, 1945034, 2778620, 2992360, 3890068, 4862585, 5557240, 7780136, 9725170, 19450340, 38900680]

約数ペア:

[(1, 38900680), (2, 19450340), (4, 9725170), (5, 7780136), (7, 5557240), (8, 4862585), (10, 3890068), (13, 2992360), (14, 2778620), (20, 1945034), (26, 1496180), (28, 1389310), (35, 1111448), (40, 972517), (52, 748090), (56, 694655), (65, 598472), (70, 555724), (91, 427480), (104, 374045), (130, 299236), (140, 277862), (182, 213740), (260, 149618), (280, 138931), (364, 106870), (455, 85496), (520, 74809), (728, 53435), (910, 42748), (1820, 21374), (3640, 10687)]