72154550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{8539}}^1$

素因数の和:8577

約数の個数: 36

約数和(自身を含む): 145342260

約数和(自身を除く): 73187710

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 8539, 17078, 42695, 85390, 111007, 213475, 222014, 426950, 555035, 1110070, 1443091, 2775175, 2886182, 5550350, 7215455, 14430910, 36077275, 72154550]

約数ペア:

[(1, 72154550), (2, 36077275), (5, 14430910), (10, 7215455), (13, 5550350), (25, 2886182), (26, 2775175), (50, 1443091), (65, 1110070), (130, 555035), (169, 426950), (325, 222014), (338, 213475), (650, 111007), (845, 85390), (1690, 42695), (4225, 17078), (8450, 8539)]