826637180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{4021}}^1$

素因数の和:4590

約数の個数: 48

約数和(自身を含む): 1831136160

約数和(自身を除く): 1004498980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 541, 1082, 2164, 2705, 4021, 5410, 8042, 10279, 10820, 16084, 20105, 20558, 40210, 41116, 51395, 76399, 80420, 102790, 152798, 205580, 305596, 381995, 763990, 1527980, 2175361, 4350722, 8701444, 10876805, 21753610, 41331859, 43507220, 82663718, 165327436, 206659295, 413318590, 826637180]

約数ペア:

[(1, 826637180), (2, 413318590), (4, 206659295), (5, 165327436), (10, 82663718), (19, 43507220), (20, 41331859), (38, 21753610), (76, 10876805), (95, 8701444), (190, 4350722), (380, 2175361), (541, 1527980), (1082, 763990), (2164, 381995), (2705, 305596), (4021, 205580), (5410, 152798), (8042, 102790), (10279, 80420), (10820, 76399), (16084, 51395), (20105, 41116), (20558, 40210)]