76127980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 164856384

約数和(自身を除く): 88728404

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 263, 353, 410, 526, 706, 820, 1052, 1315, 1412, 1765, 2630, 3530, 5260, 7060, 10783, 14473, 21566, 28946, 43132, 53915, 57892, 72365, 92839, 107830, 144730, 185678, 215660, 289460, 371356, 464195, 928390, 1856780, 3806399, 7612798, 15225596, 19031995, 38063990, 76127980]

約数ペア:

[(1, 76127980), (2, 38063990), (4, 19031995), (5, 15225596), (10, 7612798), (20, 3806399), (41, 1856780), (82, 928390), (164, 464195), (205, 371356), (263, 289460), (353, 215660), (410, 185678), (526, 144730), (706, 107830), (820, 92839), (1052, 72365), (1315, 57892), (1412, 53915), (1765, 43132), (2630, 28946), (3530, 21566), (5260, 14473), (7060, 10783)]