52712840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1613}}^1$

素因数の和:1686

約数の個数: 64

約数和(自身を含む): 127828800

約数和(自身を除く): 75115960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1613, 1634, 1720, 3226, 3268, 4085, 6452, 6536, 8065, 8170, 12904, 16130, 16340, 30647, 32260, 32680, 61294, 64520, 69359, 122588, 138718, 153235, 245176, 277436, 306470, 346795, 554872, 612940, 693590, 1225880, 1317821, 1387180, 2635642, 2774360, 5271284, 6589105, 10542568, 13178210, 26356420, 52712840]

約数ペア:

[(1, 52712840), (2, 26356420), (4, 13178210), (5, 10542568), (8, 6589105), (10, 5271284), (19, 2774360), (20, 2635642), (38, 1387180), (40, 1317821), (43, 1225880), (76, 693590), (86, 612940), (95, 554872), (152, 346795), (172, 306470), (190, 277436), (215, 245176), (344, 153235), (380, 138718), (430, 122588), (760, 69359), (817, 64520), (860, 61294), (1613, 32680), (1634, 32260), (1720, 30647), (3226, 16340), (3268, 16130), (4085, 12904), (6452, 8170), (6536, 8065)]