2438540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 5630688

約数和(自身を除く): 3192148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 113, 130, 166, 226, 260, 332, 415, 452, 565, 830, 1079, 1130, 1469, 1660, 2158, 2260, 2938, 4316, 5395, 5876, 7345, 9379, 10790, 14690, 18758, 21580, 29380, 37516, 46895, 93790, 121927, 187580, 243854, 487708, 609635, 1219270, 2438540]

約数ペア:

[(1, 2438540), (2, 1219270), (4, 609635), (5, 487708), (10, 243854), (13, 187580), (20, 121927), (26, 93790), (52, 46895), (65, 37516), (83, 29380), (113, 21580), (130, 18758), (166, 14690), (226, 10790), (260, 9379), (332, 7345), (415, 5876), (452, 5395), (565, 4316), (830, 2938), (1079, 2260), (1130, 2158), (1469, 1660)]