84067880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{601}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 204800400

約数和(自身を除く): 120732520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 269, 520, 538, 601, 1076, 1202, 1345, 2152, 2404, 2690, 3005, 3497, 4808, 5380, 6010, 6994, 7813, 10760, 12020, 13988, 15626, 17485, 24040, 27976, 31252, 34970, 39065, 62504, 69940, 78130, 139880, 156260, 161669, 312520, 323338, 646676, 808345, 1293352, 1616690, 2101697, 3233380, 4203394, 6466760, 8406788, 10508485, 16813576, 21016970, 42033940, 84067880]

約数ペア:

[(1, 84067880), (2, 42033940), (4, 21016970), (5, 16813576), (8, 10508485), (10, 8406788), (13, 6466760), (20, 4203394), (26, 3233380), (40, 2101697), (52, 1616690), (65, 1293352), (104, 808345), (130, 646676), (260, 323338), (269, 312520), (520, 161669), (538, 156260), (601, 139880), (1076, 78130), (1202, 69940), (1345, 62504), (2152, 39065), (2404, 34970), (2690, 31252), (3005, 27976), (3497, 24040), (4808, 17485), (5380, 15626), (6010, 13988), (6994, 12020), (7813, 10760)]