2533840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1667}}^1$

素因数の和:1699

約数の個数: 40

約数和(自身を含む): 6204960

約数和(自身を除く): 3671120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1667, 3334, 6668, 8335, 13336, 16670, 26672, 31673, 33340, 63346, 66680, 126692, 133360, 158365, 253384, 316730, 506768, 633460, 1266920, 2533840]

約数ペア:

[(1, 2533840), (2, 1266920), (4, 633460), (5, 506768), (8, 316730), (10, 253384), (16, 158365), (19, 133360), (20, 126692), (38, 66680), (40, 63346), (76, 33340), (80, 31673), (95, 26672), (152, 16670), (190, 13336), (304, 8335), (380, 6668), (760, 3334), (1520, 1667)]