1997499040

素因数分解:

$2^5\times 5^1\times {\mathrm{2267}}^1\times {\mathrm{5507}}^1$

素因数の和:7789

約数の個数: 48

約数和(自身を含む): 4722030432

約数和(自身を除く): 2724531392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2267, 4534, 5507, 9068, 11014, 11335, 18136, 22028, 22670, 27535, 36272, 44056, 45340, 55070, 72544, 88112, 90680, 110140, 176224, 181360, 220280, 362720, 440560, 881120, 12484369, 24968738, 49937476, 62421845, 99874952, 124843690, 199749904, 249687380, 399499808, 499374760, 998749520, 1997499040]

約数ペア:

[(1, 1997499040), (2, 998749520), (4, 499374760), (5, 399499808), (8, 249687380), (10, 199749904), (16, 124843690), (20, 99874952), (32, 62421845), (40, 49937476), (80, 24968738), (160, 12484369), (2267, 881120), (4534, 440560), (5507, 362720), (9068, 220280), (11014, 181360), (11335, 176224), (18136, 110140), (22028, 90680), (22670, 88112), (27535, 72544), (36272, 55070), (44056, 45340)]