2019633460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{180647}}^1$

素因数の和:180712

約数の個数: 48

約数和(自身を含む): 4673725056

約数和(自身を除く): 2654091596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 180647, 361294, 722588, 903235, 1806470, 2348411, 3612940, 4696822, 7767821, 9393644, 11742055, 15535642, 23484110, 31071284, 38839105, 46968220, 77678210, 100981673, 155356420, 201963346, 403926692, 504908365, 1009816730, 2019633460]

約数ペア:

[(1, 2019633460), (2, 1009816730), (4, 504908365), (5, 403926692), (10, 201963346), (13, 155356420), (20, 100981673), (26, 77678210), (43, 46968220), (52, 38839105), (65, 31071284), (86, 23484110), (130, 15535642), (172, 11742055), (215, 9393644), (260, 7767821), (430, 4696822), (559, 3612940), (860, 2348411), (1118, 1806470), (2236, 903235), (2795, 722588), (5590, 361294), (11180, 180647)]