27393980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 60419520

約数和(自身を除く): 33025540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 647, 730, 1294, 1460, 2117, 2588, 3235, 4234, 6470, 8468, 10585, 12940, 18763, 21170, 37526, 42340, 47231, 75052, 93815, 94462, 187630, 188924, 236155, 375260, 472310, 944620, 1369699, 2739398, 5478796, 6848495, 13696990, 27393980]

約数ペア:

[(1, 27393980), (2, 13696990), (4, 6848495), (5, 5478796), (10, 2739398), (20, 1369699), (29, 944620), (58, 472310), (73, 375260), (116, 236155), (145, 188924), (146, 187630), (290, 94462), (292, 93815), (365, 75052), (580, 47231), (647, 42340), (730, 37526), (1294, 21170), (1460, 18763), (2117, 12940), (2588, 10585), (3235, 8468), (4234, 6470)]