157839280

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15061}}^1$

素因数の和:15205

約数の個数: 40

約数和(自身を含む): 369802224

約数和(自身を除く): 211962944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 15061, 30122, 60244, 75305, 120488, 150610, 240976, 301220, 602440, 1204880, 1972991, 3945982, 7891964, 9864955, 15783928, 19729910, 31567856, 39459820, 78919640, 157839280]

約数ペア:

[(1, 157839280), (2, 78919640), (4, 39459820), (5, 31567856), (8, 19729910), (10, 15783928), (16, 9864955), (20, 7891964), (40, 3945982), (80, 1972991), (131, 1204880), (262, 602440), (524, 301220), (655, 240976), (1048, 150610), (1310, 120488), (2096, 75305), (2620, 60244), (5240, 30122), (10480, 15061)]