42002740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2213}}^1$

素因数の和:2308

約数の個数: 48

約数和(自身を含む): 96335568

約数和(自身を除く): 54332828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 2213, 3796, 4426, 4745, 8852, 9490, 11065, 18980, 22130, 28769, 44260, 57538, 115076, 143845, 161549, 287690, 323098, 575380, 646196, 807745, 1615490, 2100137, 3230980, 4200274, 8400548, 10500685, 21001370, 42002740]

約数ペア:

[(1, 42002740), (2, 21001370), (4, 10500685), (5, 8400548), (10, 4200274), (13, 3230980), (20, 2100137), (26, 1615490), (52, 807745), (65, 646196), (73, 575380), (130, 323098), (146, 287690), (260, 161549), (292, 143845), (365, 115076), (730, 57538), (949, 44260), (1460, 28769), (1898, 22130), (2213, 18980), (3796, 11065), (4426, 9490), (4745, 8852)]