8750820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{863}}^1$

素因数の和:901

約数の個数: 72

約数和(自身を含む): 26562816

約数和(自身を除く): 17811996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 863, 1014, 1690, 1726, 2028, 2535, 2589, 3380, 3452, 4315, 5070, 5178, 8630, 10140, 10356, 11219, 12945, 17260, 22438, 25890, 33657, 44876, 51780, 56095, 67314, 112190, 134628, 145847, 168285, 224380, 291694, 336570, 437541, 583388, 673140, 729235, 875082, 1458470, 1750164, 2187705, 2916940, 4375410, 8750820]

約数ペア:

[(1, 8750820), (2, 4375410), (3, 2916940), (4, 2187705), (5, 1750164), (6, 1458470), (10, 875082), (12, 729235), (13, 673140), (15, 583388), (20, 437541), (26, 336570), (30, 291694), (39, 224380), (52, 168285), (60, 145847), (65, 134628), (78, 112190), (130, 67314), (156, 56095), (169, 51780), (195, 44876), (260, 33657), (338, 25890), (390, 22438), (507, 17260), (676, 12945), (780, 11219), (845, 10356), (863, 10140), (1014, 8630), (1690, 5178), (1726, 5070), (2028, 4315), (2535, 3452), (2589, 3380)]