39520720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12049}}^1$

素因数の和:12103

約数の個数: 40

約数和(自身を含む): 94134600

約数和(自身を除く): 54613880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 12049, 24098, 48196, 60245, 96392, 120490, 192784, 240980, 481960, 494009, 963920, 988018, 1976036, 2470045, 3952072, 4940090, 7904144, 9880180, 19760360, 39520720]

約数ペア:

[(1, 39520720), (2, 19760360), (4, 9880180), (5, 7904144), (8, 4940090), (10, 3952072), (16, 2470045), (20, 1976036), (40, 988018), (41, 963920), (80, 494009), (82, 481960), (164, 240980), (205, 192784), (328, 120490), (410, 96392), (656, 60245), (820, 48196), (1640, 24098), (3280, 12049)]