2547740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 5927040

約数和(自身を除く): 3379300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 239, 260, 410, 478, 533, 820, 956, 1066, 1195, 2132, 2390, 2665, 3107, 4780, 5330, 6214, 9799, 10660, 12428, 15535, 19598, 31070, 39196, 48995, 62140, 97990, 127387, 195980, 254774, 509548, 636935, 1273870, 2547740]

約数ペア:

[(1, 2547740), (2, 1273870), (4, 636935), (5, 509548), (10, 254774), (13, 195980), (20, 127387), (26, 97990), (41, 62140), (52, 48995), (65, 39196), (82, 31070), (130, 19598), (164, 15535), (205, 12428), (239, 10660), (260, 9799), (410, 6214), (478, 5330), (533, 4780), (820, 3107), (956, 2665), (1066, 2390), (1195, 2132)]