201778880

素因数分解:

$2^6\times 5^1\times {\mathrm{630559}}^1$

素因数の和:630576

約数の個数: 28

約数和(自身を含む): 480486720

約数和(自身を除く): 278707840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 630559, 1261118, 2522236, 3152795, 5044472, 6305590, 10088944, 12611180, 20177888, 25222360, 40355776, 50444720, 100889440, 201778880]

約数ペア:

[(1, 201778880), (2, 100889440), (4, 50444720), (5, 40355776), (8, 25222360), (10, 20177888), (16, 12611180), (20, 10088944), (32, 6305590), (40, 5044472), (64, 3152795), (80, 2522236), (160, 1261118), (320, 630559)]