71802380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1759}}^1$

素因数の和:1938

約数の個数: 48

約数和(自身を含む): 163511040

約数和(自身を除く): 91708660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 1759, 2041, 3140, 3518, 4082, 7036, 8164, 8795, 10205, 17590, 20410, 22867, 35180, 40820, 45734, 91468, 114335, 228670, 276163, 457340, 552326, 1104652, 1380815, 2761630, 3590119, 5523260, 7180238, 14360476, 17950595, 35901190, 71802380]

約数ペア:

[(1, 71802380), (2, 35901190), (4, 17950595), (5, 14360476), (10, 7180238), (13, 5523260), (20, 3590119), (26, 2761630), (52, 1380815), (65, 1104652), (130, 552326), (157, 457340), (260, 276163), (314, 228670), (628, 114335), (785, 91468), (1570, 45734), (1759, 40820), (2041, 35180), (3140, 22867), (3518, 20410), (4082, 17590), (7036, 10205), (8164, 8795)]