31605860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 80099712

約数和(自身を除く): 48493852

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 43, 44, 52, 55, 65, 86, 110, 130, 143, 172, 215, 220, 257, 260, 286, 430, 473, 514, 559, 572, 715, 860, 946, 1028, 1118, 1285, 1430, 1892, 2236, 2365, 2570, 2795, 2827, 2860, 3341, 4730, 5140, 5590, 5654, 6149, 6682, 9460, 11051, 11180, 11308, 12298, 13364, 14135, 16705, 22102, 24596, 28270, 30745, 33410, 36751, 44204, 55255, 56540, 61490, 66820, 73502, 110510, 121561, 122980, 143663, 147004, 183755, 221020, 243122, 287326, 367510, 486244, 574652, 607805, 718315, 735020, 1215610, 1436630, 1580293, 2431220, 2873260, 3160586, 6321172, 7901465, 15802930, 31605860]

約数ペア:

[(1, 31605860), (2, 15802930), (4, 7901465), (5, 6321172), (10, 3160586), (11, 2873260), (13, 2431220), (20, 1580293), (22, 1436630), (26, 1215610), (43, 735020), (44, 718315), (52, 607805), (55, 574652), (65, 486244), (86, 367510), (110, 287326), (130, 243122), (143, 221020), (172, 183755), (215, 147004), (220, 143663), (257, 122980), (260, 121561), (286, 110510), (430, 73502), (473, 66820), (514, 61490), (559, 56540), (572, 55255), (715, 44204), (860, 36751), (946, 33410), (1028, 30745), (1118, 28270), (1285, 24596), (1430, 22102), (1892, 16705), (2236, 14135), (2365, 13364), (2570, 12298), (2795, 11308), (2827, 11180), (2860, 11051), (3341, 9460), (4730, 6682), (5140, 6149), (5590, 5654)]