51493640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3163}}^1$

素因数の和:3222

約数の個数: 64

約数和(自身を含む): 129850560

約数和(自身を除く): 78356920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3163, 3256, 4070, 6326, 8140, 12652, 15815, 16280, 25304, 31630, 34793, 63260, 69586, 117031, 126520, 139172, 173965, 234062, 278344, 347930, 468124, 585155, 695860, 936248, 1170310, 1287341, 1391720, 2340620, 2574682, 4681240, 5149364, 6436705, 10298728, 12873410, 25746820, 51493640]

約数ペア:

[(1, 51493640), (2, 25746820), (4, 12873410), (5, 10298728), (8, 6436705), (10, 5149364), (11, 4681240), (20, 2574682), (22, 2340620), (37, 1391720), (40, 1287341), (44, 1170310), (55, 936248), (74, 695860), (88, 585155), (110, 468124), (148, 347930), (185, 278344), (220, 234062), (296, 173965), (370, 139172), (407, 126520), (440, 117031), (740, 69586), (814, 63260), (1480, 34793), (1628, 31630), (2035, 25304), (3163, 16280), (3256, 15815), (4070, 12652), (6326, 8140)]