81222050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17851}}^1$

素因数の和:17883

約数の個数: 48

約数和(自身を含む): 185946432

約数和(自身を除く): 104724382

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 17851, 35702, 89255, 124957, 178510, 232063, 249914, 446275, 464126, 624785, 892550, 1160315, 1249570, 1624441, 2320630, 3123925, 3248882, 5801575, 6247850, 8122205, 11603150, 16244410, 40611025, 81222050]

約数ペア:

[(1, 81222050), (2, 40611025), (5, 16244410), (7, 11603150), (10, 8122205), (13, 6247850), (14, 5801575), (25, 3248882), (26, 3123925), (35, 2320630), (50, 1624441), (65, 1249570), (70, 1160315), (91, 892550), (130, 624785), (175, 464126), (182, 446275), (325, 249914), (350, 232063), (455, 178510), (650, 124957), (910, 89255), (2275, 35702), (4550, 17851)]