21863804525

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{3929}}^1$

素因数の和:4130

約数の個数: 48

約数和(自身を含む): 28552078800

約数和(自身を除く): 6688274275

約数列:

[1, 5, 25, 41, 61, 89, 205, 305, 445, 1025, 1525, 2225, 2501, 3649, 3929, 5429, 12505, 18245, 19645, 27145, 62525, 91225, 98225, 135725, 161089, 222589, 239669, 349681, 805445, 1112945, 1198345, 1748405, 4027225, 5564725, 5991725, 8742025, 9826429, 14336921, 21330541, 49132145, 71684605, 106652705, 245660725, 358423025, 533263525, 874552181, 4372760905, 21863804525]

約数ペア:

[(1, 21863804525), (5, 4372760905), (25, 874552181), (41, 533263525), (61, 358423025), (89, 245660725), (205, 106652705), (305, 71684605), (445, 49132145), (1025, 21330541), (1525, 14336921), (2225, 9826429), (2501, 8742025), (3649, 5991725), (3929, 5564725), (5429, 4027225), (12505, 1748405), (18245, 1198345), (19645, 1112945), (27145, 805445), (62525, 349681), (91225, 239669), (98225, 222589), (135725, 161089)]