2819440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2711}}^1$

素因数の和:2737

約数の個数: 40

約数和(自身を含む): 7062048

約数和(自身を除く): 4242608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2711, 5422, 10844, 13555, 21688, 27110, 35243, 43376, 54220, 70486, 108440, 140972, 176215, 216880, 281944, 352430, 563888, 704860, 1409720, 2819440]

約数ペア:

[(1, 2819440), (2, 1409720), (4, 704860), (5, 563888), (8, 352430), (10, 281944), (13, 216880), (16, 176215), (20, 140972), (26, 108440), (40, 70486), (52, 54220), (65, 43376), (80, 35243), (104, 27110), (130, 21688), (208, 13555), (260, 10844), (520, 5422), (1040, 2711)]