27891320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 65802240

約数和(自身を除く): 37910920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 271, 310, 332, 415, 542, 620, 664, 830, 1084, 1240, 1355, 1660, 2168, 2573, 2710, 3320, 5146, 5420, 8401, 10292, 10840, 12865, 16802, 20584, 22493, 25730, 33604, 42005, 44986, 51460, 67208, 84010, 89972, 102920, 112465, 168020, 179944, 224930, 336040, 449860, 697283, 899720, 1394566, 2789132, 3486415, 5578264, 6972830, 13945660, 27891320]

約数ペア:

[(1, 27891320), (2, 13945660), (4, 6972830), (5, 5578264), (8, 3486415), (10, 2789132), (20, 1394566), (31, 899720), (40, 697283), (62, 449860), (83, 336040), (124, 224930), (155, 179944), (166, 168020), (248, 112465), (271, 102920), (310, 89972), (332, 84010), (415, 67208), (542, 51460), (620, 44986), (664, 42005), (830, 33604), (1084, 25730), (1240, 22493), (1355, 20584), (1660, 16802), (2168, 12865), (2573, 10840), (2710, 10292), (3320, 8401), (5146, 5420)]