129508480

素因数分解:

$2^7\times 5^1\times {\mathrm{202357}}^1$

素因数の和:202376

約数の個数: 32

約数和(自身を含む): 309607740

約数和(自身を除く): 180099260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 202357, 404714, 809428, 1011785, 1618856, 2023570, 3237712, 4047140, 6475424, 8094280, 12950848, 16188560, 25901696, 32377120, 64754240, 129508480]

約数ペア:

[(1, 129508480), (2, 64754240), (4, 32377120), (5, 25901696), (8, 16188560), (10, 12950848), (16, 8094280), (20, 6475424), (32, 4047140), (40, 3237712), (64, 2023570), (80, 1618856), (128, 1011785), (160, 809428), (320, 404714), (640, 202357)]