129777625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 169288704

約数和(自身を除く): 39511079

約数列:

[1, 5, 25, 31, 107, 125, 155, 313, 535, 775, 1565, 2675, 3317, 3875, 7825, 9703, 13375, 16585, 33491, 39125, 48515, 82925, 167455, 242575, 414625, 837275, 1038221, 1212875, 4186375, 5191105, 25955525, 129777625]

約数ペア:

[(1, 129777625), (5, 25955525), (25, 5191105), (31, 4186375), (107, 1212875), (125, 1038221), (155, 837275), (313, 414625), (535, 242575), (775, 167455), (1565, 82925), (2675, 48515), (3317, 39125), (3875, 33491), (7825, 16585), (9703, 13375)]