24809980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2579}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 57647520

約数和(自身を除く): 32837540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 2579, 4810, 5158, 9620, 10316, 12895, 25790, 33527, 51580, 67054, 95423, 134108, 167635, 190846, 335270, 381692, 477115, 670540, 954230, 1240499, 1908460, 2480998, 4961996, 6202495, 12404990, 24809980]

約数ペア:

[(1, 24809980), (2, 12404990), (4, 6202495), (5, 4961996), (10, 2480998), (13, 1908460), (20, 1240499), (26, 954230), (37, 670540), (52, 477115), (65, 381692), (74, 335270), (130, 190846), (148, 167635), (185, 134108), (260, 95423), (370, 67054), (481, 51580), (740, 33527), (962, 25790), (1924, 12895), (2405, 10316), (2579, 9620), (4810, 5158)]