56673640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 132354000

約数和(自身を除く): 75680360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 149, 185, 257, 296, 298, 370, 514, 596, 740, 745, 1028, 1192, 1285, 1480, 1490, 2056, 2570, 2980, 5140, 5513, 5960, 9509, 10280, 11026, 19018, 22052, 27565, 38036, 38293, 44104, 47545, 55130, 76072, 76586, 95090, 110260, 153172, 190180, 191465, 220520, 306344, 380360, 382930, 765860, 1416841, 1531720, 2833682, 5667364, 7084205, 11334728, 14168410, 28336820, 56673640]

約数ペア:

[(1, 56673640), (2, 28336820), (4, 14168410), (5, 11334728), (8, 7084205), (10, 5667364), (20, 2833682), (37, 1531720), (40, 1416841), (74, 765860), (148, 382930), (149, 380360), (185, 306344), (257, 220520), (296, 191465), (298, 190180), (370, 153172), (514, 110260), (596, 95090), (740, 76586), (745, 76072), (1028, 55130), (1192, 47545), (1285, 44104), (1480, 38293), (1490, 38036), (2056, 27565), (2570, 22052), (2980, 19018), (5140, 11026), (5513, 10280), (5960, 9509)]