166505280500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{25616197}}^1$

素因数の和:25616229

約数の個数: 48

約数和(自身を含む): 391620435024

約数和(自身を除く): 225115154524

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, 25616197, 51232394, 102464788, 128080985, 256161970, 333010561, 512323940, 640404925, 666021122, 1280809850, 1332042244, 1665052805, 2561619700, 3202024625, 3330105610, 6404049250, 6660211220, 8325264025, 12808098500, 16650528050, 33301056100, 41626320125, 83252640250, 166505280500]

約数ペア:

[(1, 166505280500), (2, 83252640250), (4, 41626320125), (5, 33301056100), (10, 16650528050), (13, 12808098500), (20, 8325264025), (25, 6660211220), (26, 6404049250), (50, 3330105610), (52, 3202024625), (65, 2561619700), (100, 1665052805), (125, 1332042244), (130, 1280809850), (250, 666021122), (260, 640404925), (325, 512323940), (500, 333010561), (650, 256161970), (1300, 128080985), (1625, 102464788), (3250, 51232394), (6500, 25616197)]