72367880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139169}}^1$

素因数の和:139193

約数の個数: 32

約数和(自身を含む): 175354200

約数和(自身を除く): 102986320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 139169, 278338, 556676, 695845, 1113352, 1391690, 1809197, 2783380, 3618394, 5566760, 7236788, 9045985, 14473576, 18091970, 36183940, 72367880]

約数ペア:

[(1, 72367880), (2, 36183940), (4, 18091970), (5, 14473576), (8, 9045985), (10, 7236788), (13, 5566760), (20, 3618394), (26, 2783380), (40, 1809197), (52, 1391690), (65, 1113352), (104, 695845), (130, 556676), (260, 278338), (520, 139169)]