25665250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 53071200

約数和(自身を除く): 27405950

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 125, 130, 149, 250, 265, 298, 325, 530, 650, 689, 745, 1325, 1378, 1490, 1625, 1937, 2650, 3250, 3445, 3725, 3874, 6625, 6890, 7450, 7897, 9685, 13250, 15794, 17225, 18625, 19370, 34450, 37250, 39485, 48425, 78970, 86125, 96850, 102661, 172250, 197425, 205322, 242125, 394850, 484250, 513305, 987125, 1026610, 1974250, 2566525, 5133050, 12832625, 25665250]

約数ペア:

[(1, 25665250), (2, 12832625), (5, 5133050), (10, 2566525), (13, 1974250), (25, 1026610), (26, 987125), (50, 513305), (53, 484250), (65, 394850), (106, 242125), (125, 205322), (130, 197425), (149, 172250), (250, 102661), (265, 96850), (298, 86125), (325, 78970), (530, 48425), (650, 39485), (689, 37250), (745, 34450), (1325, 19370), (1378, 18625), (1490, 17225), (1625, 15794), (1937, 13250), (2650, 9685), (3250, 7897), (3445, 7450), (3725, 6890), (3874, 6625)]