80703590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 169827840

約数和(自身を除く): 89124250

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 103, 110, 170, 187, 206, 374, 419, 515, 838, 935, 1030, 1133, 1751, 1870, 2095, 2266, 3502, 4190, 4609, 5665, 7123, 8755, 9218, 11330, 14246, 17510, 19261, 23045, 35615, 38522, 43157, 46090, 71230, 78353, 86314, 96305, 156706, 192610, 215785, 391765, 431570, 474727, 733669, 783530, 949454, 1467338, 2373635, 3668345, 4747270, 7336690, 8070359, 16140718, 40351795, 80703590]

約数ペア:

[(1, 80703590), (2, 40351795), (5, 16140718), (10, 8070359), (11, 7336690), (17, 4747270), (22, 3668345), (34, 2373635), (55, 1467338), (85, 949454), (103, 783530), (110, 733669), (170, 474727), (187, 431570), (206, 391765), (374, 215785), (419, 192610), (515, 156706), (838, 96305), (935, 86314), (1030, 78353), (1133, 71230), (1751, 46090), (1870, 43157), (2095, 38522), (2266, 35615), (3502, 23045), (4190, 19261), (4609, 17510), (5665, 14246), (7123, 11330), (8755, 9218)]