9755980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 22296960

約数和(自身を除く): 12540980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 239, 260, 314, 478, 628, 785, 956, 1195, 1570, 2041, 2390, 3107, 3140, 4082, 4780, 6214, 8164, 10205, 12428, 15535, 20410, 31070, 37523, 40820, 62140, 75046, 150092, 187615, 375230, 487799, 750460, 975598, 1951196, 2438995, 4877990, 9755980]

約数ペア:

[(1, 9755980), (2, 4877990), (4, 2438995), (5, 1951196), (10, 975598), (13, 750460), (20, 487799), (26, 375230), (52, 187615), (65, 150092), (130, 75046), (157, 62140), (239, 40820), (260, 37523), (314, 31070), (478, 20410), (628, 15535), (785, 12428), (956, 10205), (1195, 8164), (1570, 6214), (2041, 4780), (2390, 4082), (3107, 3140)]