4280380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 9836064

約数和(自身を除く): 5555684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 163, 202, 260, 326, 404, 505, 652, 815, 1010, 1313, 1630, 2020, 2119, 2626, 3260, 4238, 5252, 6565, 8476, 10595, 13130, 16463, 21190, 26260, 32926, 42380, 65852, 82315, 164630, 214019, 329260, 428038, 856076, 1070095, 2140190, 4280380]

約数ペア:

[(1, 4280380), (2, 2140190), (4, 1070095), (5, 856076), (10, 428038), (13, 329260), (20, 214019), (26, 164630), (52, 82315), (65, 65852), (101, 42380), (130, 32926), (163, 26260), (202, 21190), (260, 16463), (326, 13130), (404, 10595), (505, 8476), (652, 6565), (815, 5252), (1010, 4238), (1313, 3260), (1630, 2626), (2020, 2119)]