85818080

素因数分解:

$2^5\times 5^1\times {\mathrm{647}}^1\times {\mathrm{829}}^1$

素因数の和:1491

約数の個数: 48

約数和(自身を含む): 203303520

約数和(自身を除く): 117485440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 647, 829, 1294, 1658, 2588, 3235, 3316, 4145, 5176, 6470, 6632, 8290, 10352, 12940, 13264, 16580, 20704, 25880, 26528, 33160, 51760, 66320, 103520, 132640, 536363, 1072726, 2145452, 2681815, 4290904, 5363630, 8581808, 10727260, 17163616, 21454520, 42909040, 85818080]

約数ペア:

[(1, 85818080), (2, 42909040), (4, 21454520), (5, 17163616), (8, 10727260), (10, 8581808), (16, 5363630), (20, 4290904), (32, 2681815), (40, 2145452), (80, 1072726), (160, 536363), (647, 132640), (829, 103520), (1294, 66320), (1658, 51760), (2588, 33160), (3235, 26528), (3316, 25880), (4145, 20704), (5176, 16580), (6470, 13264), (6632, 12940), (8290, 10352)]