12723940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 27941760

約数和(自身を除く): 15217820

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 164, 205, 236, 263, 295, 410, 526, 590, 820, 1052, 1180, 1315, 2419, 2630, 4838, 5260, 9676, 10783, 12095, 15517, 21566, 24190, 31034, 43132, 48380, 53915, 62068, 77585, 107830, 155170, 215660, 310340, 636197, 1272394, 2544788, 3180985, 6361970, 12723940]

約数ペア:

[(1, 12723940), (2, 6361970), (4, 3180985), (5, 2544788), (10, 1272394), (20, 636197), (41, 310340), (59, 215660), (82, 155170), (118, 107830), (164, 77585), (205, 62068), (236, 53915), (263, 48380), (295, 43132), (410, 31034), (526, 24190), (590, 21566), (820, 15517), (1052, 12095), (1180, 10783), (1315, 9676), (2419, 5260), (2630, 4838)]