51330500

素因数分解:

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

素因数の和:234

約数の個数: 96

約数和(自身を含む): 123832800

約数和(自身を除く): 72502300

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 125, 130, 149, 212, 250, 260, 265, 298, 325, 500, 530, 596, 650, 689, 745, 1060, 1300, 1325, 1378, 1490, 1625, 1937, 2650, 2756, 2980, 3250, 3445, 3725, 3874, 5300, 6500, 6625, 6890, 7450, 7748, 7897, 9685, 13250, 13780, 14900, 15794, 17225, 18625, 19370, 26500, 31588, 34450, 37250, 38740, 39485, 48425, 68900, 74500, 78970, 86125, 96850, 102661, 157940, 172250, 193700, 197425, 205322, 242125, 344500, 394850, 410644, 484250, 513305, 789700, 968500, 987125, 1026610, 1974250, 2053220, 2566525, 3948500, 5133050, 10266100, 12832625, 25665250, 51330500]

約数ペア:

[(1, 51330500), (2, 25665250), (4, 12832625), (5, 10266100), (10, 5133050), (13, 3948500), (20, 2566525), (25, 2053220), (26, 1974250), (50, 1026610), (52, 987125), (53, 968500), (65, 789700), (100, 513305), (106, 484250), (125, 410644), (130, 394850), (149, 344500), (212, 242125), (250, 205322), (260, 197425), (265, 193700), (298, 172250), (325, 157940), (500, 102661), (530, 96850), (596, 86125), (650, 78970), (689, 74500), (745, 68900), (1060, 48425), (1300, 39485), (1325, 38740), (1378, 37250), (1490, 34450), (1625, 31588), (1937, 26500), (2650, 19370), (2756, 18625), (2980, 17225), (3250, 15794), (3445, 14900), (3725, 13780), (3874, 13250), (5300, 9685), (6500, 7897), (6625, 7748), (6890, 7450)]