4072178500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{626489}}^1$

素因数の和:626521

約数の個数: 48

約数和(自身を含む): 9577779120

約数和(自身を除く): 5505600620

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 626489, 1252978, 2505956, 3132445, 6264890, 8144357, 12529780, 15662225, 16288714, 31324450, 32577428, 40721785, 62648900, 78311125, 81443570, 156622250, 162887140, 203608925, 313244500, 407217850, 814435700, 1018044625, 2036089250, 4072178500]

約数ペア:

[(1, 4072178500), (2, 2036089250), (4, 1018044625), (5, 814435700), (10, 407217850), (13, 313244500), (20, 203608925), (25, 162887140), (26, 156622250), (50, 81443570), (52, 78311125), (65, 62648900), (100, 40721785), (125, 32577428), (130, 31324450), (250, 16288714), (260, 15662225), (325, 12529780), (500, 8144357), (650, 6264890), (1300, 3132445), (1625, 2505956), (3250, 1252978), (6500, 626489)]