40873720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24923}}^1$

素因数の和:24975

約数の個数: 32

約数和(自身を含む): 94212720

約数和(自身を除く): 53339000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 24923, 49846, 99692, 124615, 199384, 249230, 498460, 996920, 1021843, 2043686, 4087372, 5109215, 8174744, 10218430, 20436860, 40873720]

約数ペア:

[(1, 40873720), (2, 20436860), (4, 10218430), (5, 8174744), (8, 5109215), (10, 4087372), (20, 2043686), (40, 1021843), (41, 996920), (82, 498460), (164, 249230), (205, 199384), (328, 124615), (410, 99692), (820, 49846), (1640, 24923)]