1161940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 2716560

約数和(自身を除く): 1554620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 109, 130, 164, 205, 218, 260, 410, 436, 533, 545, 820, 1066, 1090, 1417, 2132, 2180, 2665, 2834, 4469, 5330, 5668, 7085, 8938, 10660, 14170, 17876, 22345, 28340, 44690, 58097, 89380, 116194, 232388, 290485, 580970, 1161940]

約数ペア:

[(1, 1161940), (2, 580970), (4, 290485), (5, 232388), (10, 116194), (13, 89380), (20, 58097), (26, 44690), (41, 28340), (52, 22345), (65, 17876), (82, 14170), (109, 10660), (130, 8938), (164, 7085), (205, 5668), (218, 5330), (260, 4469), (410, 2834), (436, 2665), (533, 2180), (545, 2132), (820, 1417), (1066, 1090)]