18392800

素因数分解:

$2^5\times 5^2\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:380

約数の個数: 72

約数和(自身を含む): 45606456

約数和(自身を除く): 27213656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 83, 100, 160, 166, 200, 277, 332, 400, 415, 554, 664, 800, 830, 1108, 1328, 1385, 1660, 2075, 2216, 2656, 2770, 3320, 4150, 4432, 5540, 6640, 6925, 8300, 8864, 11080, 13280, 13850, 16600, 22160, 22991, 27700, 33200, 44320, 45982, 55400, 66400, 91964, 110800, 114955, 183928, 221600, 229910, 367856, 459820, 574775, 735712, 919640, 1149550, 1839280, 2299100, 3678560, 4598200, 9196400, 18392800]

約数ペア:

[(1, 18392800), (2, 9196400), (4, 4598200), (5, 3678560), (8, 2299100), (10, 1839280), (16, 1149550), (20, 919640), (25, 735712), (32, 574775), (40, 459820), (50, 367856), (80, 229910), (83, 221600), (100, 183928), (160, 114955), (166, 110800), (200, 91964), (277, 66400), (332, 55400), (400, 45982), (415, 44320), (554, 33200), (664, 27700), (800, 22991), (830, 22160), (1108, 16600), (1328, 13850), (1385, 13280), (1660, 11080), (2075, 8864), (2216, 8300), (2656, 6925), (2770, 6640), (3320, 5540), (4150, 4432)]