13086940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 29623104

約数和(自身を除く): 16536164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 631, 1037, 1220, 1262, 2074, 2524, 3155, 4148, 5185, 6310, 10370, 10727, 12620, 20740, 21454, 38491, 42908, 53635, 76982, 107270, 153964, 192455, 214540, 384910, 654347, 769820, 1308694, 2617388, 3271735, 6543470, 13086940]

約数ペア:

[(1, 13086940), (2, 6543470), (4, 3271735), (5, 2617388), (10, 1308694), (17, 769820), (20, 654347), (34, 384910), (61, 214540), (68, 192455), (85, 153964), (122, 107270), (170, 76982), (244, 53635), (305, 42908), (340, 38491), (610, 21454), (631, 20740), (1037, 12620), (1220, 10727), (1262, 10370), (2074, 6310), (2524, 5185), (3155, 4148)]