55782640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 135991296

約数和(自身を除く): 80208656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 83, 124, 155, 166, 248, 271, 310, 332, 415, 496, 542, 620, 664, 830, 1084, 1240, 1328, 1355, 1660, 2168, 2480, 2573, 2710, 3320, 4336, 5146, 5420, 6640, 8401, 10292, 10840, 12865, 16802, 20584, 21680, 22493, 25730, 33604, 41168, 42005, 44986, 51460, 67208, 84010, 89972, 102920, 112465, 134416, 168020, 179944, 205840, 224930, 336040, 359888, 449860, 672080, 697283, 899720, 1394566, 1799440, 2789132, 3486415, 5578264, 6972830, 11156528, 13945660, 27891320, 55782640]

約数ペア:

[(1, 55782640), (2, 27891320), (4, 13945660), (5, 11156528), (8, 6972830), (10, 5578264), (16, 3486415), (20, 2789132), (31, 1799440), (40, 1394566), (62, 899720), (80, 697283), (83, 672080), (124, 449860), (155, 359888), (166, 336040), (248, 224930), (271, 205840), (310, 179944), (332, 168020), (415, 134416), (496, 112465), (542, 102920), (620, 89972), (664, 84010), (830, 67208), (1084, 51460), (1240, 44986), (1328, 42005), (1355, 41168), (1660, 33604), (2168, 25730), (2480, 22493), (2573, 21680), (2710, 20584), (3320, 16802), (4336, 12865), (5146, 10840), (5420, 10292), (6640, 8401)]