16888943480

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1373}}^1\times {\mathrm{1699}}^1$

素因数の和:3264

約数の個数: 64

約数和(自身を含む): 38260404000

約数和(自身を除く): 21371460520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1373, 1448, 1699, 1810, 2746, 3398, 3620, 5492, 6796, 6865, 7240, 8495, 10984, 13592, 13730, 16990, 27460, 33980, 54920, 67960, 248513, 307519, 497026, 615038, 994052, 1230076, 1242565, 1537595, 1988104, 2332727, 2460152, 2485130, 3075190, 4665454, 4970260, 6150380, 9330908, 9940520, 11663635, 12300760, 18661816, 23327270, 46654540, 93309080, 422223587, 844447174, 1688894348, 2111117935, 3377788696, 4222235870, 8444471740, 16888943480]

約数ペア:

[(1, 16888943480), (2, 8444471740), (4, 4222235870), (5, 3377788696), (8, 2111117935), (10, 1688894348), (20, 844447174), (40, 422223587), (181, 93309080), (362, 46654540), (724, 23327270), (905, 18661816), (1373, 12300760), (1448, 11663635), (1699, 9940520), (1810, 9330908), (2746, 6150380), (3398, 4970260), (3620, 4665454), (5492, 3075190), (6796, 2485130), (6865, 2460152), (7240, 2332727), (8495, 1988104), (10984, 1537595), (13592, 1242565), (13730, 1230076), (16990, 994052), (27460, 615038), (33980, 497026), (54920, 307519), (67960, 248513)]