13216840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3631}}^1$

素因数の和:3662

約数の個数: 64

約数和(自身を含む): 36610560

約数和(自身を除く): 23393720

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, 3631, 3640, 7262, 14524, 18155, 25417, 29048, 36310, 47203, 50834, 72620, 94406, 101668, 127085, 145240, 188812, 203336, 236015, 254170, 330421, 377624, 472030, 508340, 660842, 944060, 1016680, 1321684, 1652105, 1888120, 2643368, 3304210, 6608420, 13216840]

約数ペア:

[(1, 13216840), (2, 6608420), (4, 3304210), (5, 2643368), (7, 1888120), (8, 1652105), (10, 1321684), (13, 1016680), (14, 944060), (20, 660842), (26, 508340), (28, 472030), (35, 377624), (40, 330421), (52, 254170), (56, 236015), (65, 203336), (70, 188812), (91, 145240), (104, 127085), (130, 101668), (140, 94406), (182, 72620), (260, 50834), (280, 47203), (364, 36310), (455, 29048), (520, 25417), (728, 18155), (910, 14524), (1820, 7262), (3631, 3640)]