51685660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{739}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 117482400

約数和(自身を除く): 65796740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 538, 739, 1076, 1345, 1478, 2690, 2956, 3497, 3695, 5380, 6994, 7390, 9607, 13988, 14780, 17485, 19214, 34970, 38428, 48035, 69940, 96070, 192140, 198791, 397582, 795164, 993955, 1987910, 2584283, 3975820, 5168566, 10337132, 12921415, 25842830, 51685660]

約数ペア:

[(1, 51685660), (2, 25842830), (4, 12921415), (5, 10337132), (10, 5168566), (13, 3975820), (20, 2584283), (26, 1987910), (52, 993955), (65, 795164), (130, 397582), (260, 198791), (269, 192140), (538, 96070), (739, 69940), (1076, 48035), (1345, 38428), (1478, 34970), (2690, 19214), (2956, 17485), (3497, 14780), (3695, 13988), (5380, 9607), (6994, 7390)]