49820680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13687}}^1$

素因数の和:13718

約数の個数: 64

約数和(自身を含む): 137975040

約数和(自身を除く): 88154360

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, 13687, 27374, 54748, 68435, 95809, 109496, 136870, 177931, 191618, 273740, 355862, 383236, 479045, 547480, 711724, 766472, 889655, 958090, 1245517, 1423448, 1779310, 1916180, 2491034, 3558620, 3832360, 4982068, 6227585, 7117240, 9964136, 12455170, 24910340, 49820680]

約数ペア:

[(1, 49820680), (2, 24910340), (4, 12455170), (5, 9964136), (7, 7117240), (8, 6227585), (10, 4982068), (13, 3832360), (14, 3558620), (20, 2491034), (26, 1916180), (28, 1779310), (35, 1423448), (40, 1245517), (52, 958090), (56, 889655), (65, 766472), (70, 711724), (91, 547480), (104, 479045), (130, 383236), (140, 355862), (182, 273740), (260, 191618), (280, 177931), (364, 136870), (455, 109496), (520, 95809), (728, 68435), (910, 54748), (1820, 27374), (3640, 13687)]