72459760

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12757}}^1$

素因数の和:12841

約数の個数: 40

約数和(自身を含む): 170855136

約数和(自身を除く): 98395376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 12757, 25514, 51028, 63785, 102056, 127570, 204112, 255140, 510280, 905747, 1020560, 1811494, 3622988, 4528735, 7245976, 9057470, 14491952, 18114940, 36229880, 72459760]

約数ペア:

[(1, 72459760), (2, 36229880), (4, 18114940), (5, 14491952), (8, 9057470), (10, 7245976), (16, 4528735), (20, 3622988), (40, 1811494), (71, 1020560), (80, 905747), (142, 510280), (284, 255140), (355, 204112), (568, 127570), (710, 102056), (1136, 63785), (1420, 51028), (2840, 25514), (5680, 12757)]