78956480

素因数分解:

$2^6\times 5^1\times {\mathrm{246739}}^1$

素因数の和:246756

約数の個数: 28

約数和(自身を含む): 188015880

約数和(自身を除く): 109059400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 246739, 493478, 986956, 1233695, 1973912, 2467390, 3947824, 4934780, 7895648, 9869560, 15791296, 19739120, 39478240, 78956480]

約数ペア:

[(1, 78956480), (2, 39478240), (4, 19739120), (5, 15791296), (8, 9869560), (10, 7895648), (16, 4934780), (20, 3947824), (32, 2467390), (40, 1973912), (64, 1233695), (80, 986956), (160, 493478), (320, 246739)]