72503080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139429}}^1$

素因数の和:139453

約数の個数: 32

約数和(自身を含む): 175681800

約数和(自身を除く): 103178720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 139429, 278858, 557716, 697145, 1115432, 1394290, 1812577, 2788580, 3625154, 5577160, 7250308, 9062885, 14500616, 18125770, 36251540, 72503080]

約数ペア:

[(1, 72503080), (2, 36251540), (4, 18125770), (5, 14500616), (8, 9062885), (10, 7250308), (13, 5577160), (20, 3625154), (26, 2788580), (40, 1812577), (52, 1394290), (65, 1115432), (104, 697145), (130, 557716), (260, 278858), (520, 139429)]