31013840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2711}}^1$

素因数の和:2748

約数の個数: 80

約数和(自身を含む): 84744576

約数和(自身を除く): 53730736

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2711, 2860, 5422, 5720, 10844, 11440, 13555, 21688, 27110, 29821, 35243, 43376, 54220, 59642, 70486, 108440, 119284, 140972, 149105, 176215, 216880, 238568, 281944, 298210, 352430, 387673, 477136, 563888, 596420, 704860, 775346, 1192840, 1409720, 1550692, 1938365, 2385680, 2819440, 3101384, 3876730, 6202768, 7753460, 15506920, 31013840]

約数ペア:

[(1, 31013840), (2, 15506920), (4, 7753460), (5, 6202768), (8, 3876730), (10, 3101384), (11, 2819440), (13, 2385680), (16, 1938365), (20, 1550692), (22, 1409720), (26, 1192840), (40, 775346), (44, 704860), (52, 596420), (55, 563888), (65, 477136), (80, 387673), (88, 352430), (104, 298210), (110, 281944), (130, 238568), (143, 216880), (176, 176215), (208, 149105), (220, 140972), (260, 119284), (286, 108440), (440, 70486), (520, 59642), (572, 54220), (715, 43376), (880, 35243), (1040, 29821), (1144, 27110), (1430, 21688), (2288, 13555), (2711, 11440), (2860, 10844), (5422, 5720)]