128420953025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{12049}}^1$

素因数の和:12390

約数の個数: 48

約数和(自身を含む): 168142326000

約数和(自身を除く): 39721372975

約数列:

[1, 5, 25, 29, 61, 145, 241, 305, 725, 1205, 1525, 1769, 6025, 6989, 8845, 12049, 14701, 34945, 44225, 60245, 73505, 174725, 301225, 349421, 367525, 426329, 734989, 1747105, 2131645, 2903809, 3674945, 8735525, 10658225, 14519045, 18374725, 21314681, 72595225, 84210461, 106573405, 177132349, 421052305, 532867025, 885661745, 2105261525, 4428308725, 5136838121, 25684190605, 128420953025]

約数ペア:

[(1, 128420953025), (5, 25684190605), (25, 5136838121), (29, 4428308725), (61, 2105261525), (145, 885661745), (241, 532867025), (305, 421052305), (725, 177132349), (1205, 106573405), (1525, 84210461), (1769, 72595225), (6025, 21314681), (6989, 18374725), (8845, 14519045), (12049, 10658225), (14701, 8735525), (34945, 3674945), (44225, 2903809), (60245, 2131645), (73505, 1747105), (174725, 734989), (301225, 426329), (349421, 367525)]