61953580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{997}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 140837760

約数和(自身を除く): 78884180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 956, 997, 1195, 1994, 2390, 3107, 3988, 4780, 4985, 6214, 9970, 12428, 12961, 15535, 19940, 25922, 31070, 51844, 62140, 64805, 129610, 238283, 259220, 476566, 953132, 1191415, 2382830, 3097679, 4765660, 6195358, 12390716, 15488395, 30976790, 61953580]

約数ペア:

[(1, 61953580), (2, 30976790), (4, 15488395), (5, 12390716), (10, 6195358), (13, 4765660), (20, 3097679), (26, 2382830), (52, 1191415), (65, 953132), (130, 476566), (239, 259220), (260, 238283), (478, 129610), (956, 64805), (997, 62140), (1195, 51844), (1994, 31070), (2390, 25922), (3107, 19940), (3988, 15535), (4780, 12961), (4985, 12428), (6214, 9970)]