88992020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 205031736

約数和(自身を除く): 116039716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 169, 226, 233, 260, 338, 452, 466, 565, 676, 845, 932, 1130, 1165, 1469, 1690, 2260, 2330, 2938, 3029, 3380, 4660, 5876, 6058, 7345, 12116, 14690, 15145, 19097, 26329, 29380, 30290, 38194, 39377, 52658, 60580, 76388, 78754, 95485, 105316, 131645, 157508, 190970, 196885, 263290, 342277, 381940, 393770, 526580, 684554, 787540, 1369108, 1711385, 3422770, 4449601, 6845540, 8899202, 17798404, 22248005, 44496010, 88992020]

約数ペア:

[(1, 88992020), (2, 44496010), (4, 22248005), (5, 17798404), (10, 8899202), (13, 6845540), (20, 4449601), (26, 3422770), (52, 1711385), (65, 1369108), (113, 787540), (130, 684554), (169, 526580), (226, 393770), (233, 381940), (260, 342277), (338, 263290), (452, 196885), (466, 190970), (565, 157508), (676, 131645), (845, 105316), (932, 95485), (1130, 78754), (1165, 76388), (1469, 60580), (1690, 52658), (2260, 39377), (2330, 38194), (2938, 30290), (3029, 29380), (3380, 26329), (4660, 19097), (5876, 15145), (6058, 14690), (7345, 12116)]