71862440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138197}}^1$

素因数の和:138221

約数の個数: 32

約数和(自身を含む): 174129480

約数和(自身を除く): 102267040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 138197, 276394, 552788, 690985, 1105576, 1381970, 1796561, 2763940, 3593122, 5527880, 7186244, 8982805, 14372488, 17965610, 35931220, 71862440]

約数ペア:

[(1, 71862440), (2, 35931220), (4, 17965610), (5, 14372488), (8, 8982805), (10, 7186244), (13, 5527880), (20, 3593122), (26, 2763940), (40, 1796561), (52, 1381970), (65, 1105576), (104, 690985), (130, 552788), (260, 276394), (520, 138197)]