71340880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68597}}^1$

素因数の和:68623

約数の個数: 40

約数和(自身を含む): 178629192

約数和(自身を除く): 107288312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 68597, 137194, 274388, 342985, 548776, 685970, 891761, 1097552, 1371940, 1783522, 2743880, 3567044, 4458805, 5487760, 7134088, 8917610, 14268176, 17835220, 35670440, 71340880]

約数ペア:

[(1, 71340880), (2, 35670440), (4, 17835220), (5, 14268176), (8, 8917610), (10, 7134088), (13, 5487760), (16, 4458805), (20, 3567044), (26, 2743880), (40, 1783522), (52, 1371940), (65, 1097552), (80, 891761), (104, 685970), (130, 548776), (208, 342985), (260, 274388), (520, 137194), (1040, 68597)]