54894580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 126819000

約数和(自身を除く): 71924420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 149, 169, 218, 260, 298, 338, 436, 545, 596, 676, 745, 845, 1090, 1417, 1490, 1690, 1937, 2180, 2834, 2980, 3380, 3874, 5668, 7085, 7748, 9685, 14170, 16241, 18421, 19370, 25181, 28340, 32482, 36842, 38740, 50362, 64964, 73684, 81205, 92105, 100724, 125905, 162410, 184210, 211133, 251810, 324820, 368420, 422266, 503620, 844532, 1055665, 2111330, 2744729, 4222660, 5489458, 10978916, 13723645, 27447290, 54894580]

約数ペア:

[(1, 54894580), (2, 27447290), (4, 13723645), (5, 10978916), (10, 5489458), (13, 4222660), (20, 2744729), (26, 2111330), (52, 1055665), (65, 844532), (109, 503620), (130, 422266), (149, 368420), (169, 324820), (218, 251810), (260, 211133), (298, 184210), (338, 162410), (436, 125905), (545, 100724), (596, 92105), (676, 81205), (745, 73684), (845, 64964), (1090, 50362), (1417, 38740), (1490, 36842), (1690, 32482), (1937, 28340), (2180, 25181), (2834, 19370), (2980, 18421), (3380, 16241), (3874, 14170), (5668, 9685), (7085, 7748)]