80975500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{2281}}^1$

素因数の和:2371

約数の個数: 48

約数和(自身を含む): 179419968

約数和(自身を除く): 98444468

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 710, 1420, 1775, 2281, 3550, 4562, 7100, 8875, 9124, 11405, 17750, 22810, 35500, 45620, 57025, 114050, 161951, 228100, 285125, 323902, 570250, 647804, 809755, 1140500, 1619510, 3239020, 4048775, 8097550, 16195100, 20243875, 40487750, 80975500]

約数ペア:

[(1, 80975500), (2, 40487750), (4, 20243875), (5, 16195100), (10, 8097550), (20, 4048775), (25, 3239020), (50, 1619510), (71, 1140500), (100, 809755), (125, 647804), (142, 570250), (250, 323902), (284, 285125), (355, 228100), (500, 161951), (710, 114050), (1420, 57025), (1775, 45620), (2281, 35500), (3550, 22810), (4562, 17750), (7100, 11405), (8875, 9124)]