51588400

素因数分解:

$2^4\times 5^2\times {\mathrm{128971}}^1$

素因数の和:128989

約数の個数: 30

約数和(自身を含む): 123942092

約数和(自身を除く): 72353692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 128971, 257942, 515884, 644855, 1031768, 1289710, 2063536, 2579420, 3224275, 5158840, 6448550, 10317680, 12897100, 25794200, 51588400]

約数ペア:

[(1, 51588400), (2, 25794200), (4, 12897100), (5, 10317680), (8, 6448550), (10, 5158840), (16, 3224275), (20, 2579420), (25, 2063536), (40, 1289710), (50, 1031768), (80, 644855), (100, 515884), (200, 257942), (400, 128971)]