80417990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{4421}}^1$

素因数の和:4552

約数の個数: 32

約数和(自身を含む): 154734624

約数和(自身を除く): 74316634

約数列:

[1, 2, 5, 10, 17, 34, 85, 107, 170, 214, 535, 1070, 1819, 3638, 4421, 8842, 9095, 18190, 22105, 44210, 75157, 150314, 375785, 473047, 751570, 946094, 2365235, 4730470, 8041799, 16083598, 40208995, 80417990]

約数ペア:

[(1, 80417990), (2, 40208995), (5, 16083598), (10, 8041799), (17, 4730470), (34, 2365235), (85, 946094), (107, 751570), (170, 473047), (214, 375785), (535, 150314), (1070, 75157), (1819, 44210), (3638, 22105), (4421, 18190), (8842, 9095)]