78228760

素因数分解:

$2^3\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{1607}}^1$

素因数の和:2835

約数の個数: 32

約数和(自身を含む): 176268960

約数和(自身を除く): 98040200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1217, 1607, 2434, 3214, 4868, 6085, 6428, 8035, 9736, 12170, 12856, 16070, 24340, 32140, 48680, 64280, 1955719, 3911438, 7822876, 9778595, 15645752, 19557190, 39114380, 78228760]

約数ペア:

[(1, 78228760), (2, 39114380), (4, 19557190), (5, 15645752), (8, 9778595), (10, 7822876), (20, 3911438), (40, 1955719), (1217, 64280), (1607, 48680), (2434, 32140), (3214, 24340), (4868, 16070), (6085, 12856), (6428, 12170), (8035, 9736)]