88326920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1019}}^1$

素因数の和:1238

約数の個数: 64

約数和(自身を含む): 218116800

約数和(自身を除く): 129789880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 788, 985, 1019, 1576, 1970, 2038, 2167, 3940, 4076, 4334, 5095, 7880, 8152, 8668, 10190, 10835, 11209, 17336, 20380, 21670, 22418, 40760, 43340, 44836, 56045, 86680, 89672, 112090, 200743, 224180, 401486, 448360, 802972, 1003715, 1605944, 2007430, 2208173, 4014860, 4416346, 8029720, 8832692, 11040865, 17665384, 22081730, 44163460, 88326920]

約数ペア:

[(1, 88326920), (2, 44163460), (4, 22081730), (5, 17665384), (8, 11040865), (10, 8832692), (11, 8029720), (20, 4416346), (22, 4014860), (40, 2208173), (44, 2007430), (55, 1605944), (88, 1003715), (110, 802972), (197, 448360), (220, 401486), (394, 224180), (440, 200743), (788, 112090), (985, 89672), (1019, 86680), (1576, 56045), (1970, 44836), (2038, 43340), (2167, 40760), (3940, 22418), (4076, 21670), (4334, 20380), (5095, 17336), (7880, 11209), (8152, 10835), (8668, 10190)]