28573480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54949}}^1$

素因数の和:54973

約数の個数: 32

約数和(自身を含む): 69237000

約数和(自身を除く): 40663520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 54949, 109898, 219796, 274745, 439592, 549490, 714337, 1098980, 1428674, 2197960, 2857348, 3571685, 5714696, 7143370, 14286740, 28573480]

約数ペア:

[(1, 28573480), (2, 14286740), (4, 7143370), (5, 5714696), (8, 3571685), (10, 2857348), (13, 2197960), (20, 1428674), (26, 1098980), (40, 714337), (52, 549490), (65, 439592), (104, 274745), (130, 219796), (260, 109898), (520, 54949)]