40868620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8273}}^1$

素因数の和:8314

約数の個数: 48

約数和(自身を含む): 97302240

約数和(自身を除く): 56433620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 8273, 16546, 33092, 41365, 82730, 107549, 157187, 165460, 215098, 314374, 430196, 537745, 628748, 785935, 1075490, 1571870, 2043431, 2150980, 3143740, 4086862, 8173724, 10217155, 20434310, 40868620]

約数ペア:

[(1, 40868620), (2, 20434310), (4, 10217155), (5, 8173724), (10, 4086862), (13, 3143740), (19, 2150980), (20, 2043431), (26, 1571870), (38, 1075490), (52, 785935), (65, 628748), (76, 537745), (95, 430196), (130, 314374), (190, 215098), (247, 165460), (260, 157187), (380, 107549), (494, 82730), (988, 41365), (1235, 33092), (2470, 16546), (4940, 8273)]