1661977040

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{107641}}^1$

素因数の和:107847

約数の個数: 40

約数和(自身を含む): 3884153928

約数和(自身を除く): 2222176888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 107641, 215282, 430564, 538205, 861128, 1076410, 1722256, 2152820, 4305640, 8611280, 20774713, 41549426, 83098852, 103873565, 166197704, 207747130, 332395408, 415494260, 830988520, 1661977040]

約数ペア:

[(1, 1661977040), (2, 830988520), (4, 415494260), (5, 332395408), (8, 207747130), (10, 166197704), (16, 103873565), (20, 83098852), (40, 41549426), (80, 20774713), (193, 8611280), (386, 4305640), (772, 2152820), (965, 1722256), (1544, 1076410), (1930, 861128), (3088, 538205), (3860, 430564), (7720, 215282), (15440, 107641)]