13945660

素因数分解:

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

素因数の和:394

約数の個数: 48

約数和(自身を含む): 30707712

約数和(自身を除く): 16762052

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 271, 310, 332, 415, 542, 620, 830, 1084, 1355, 1660, 2573, 2710, 5146, 5420, 8401, 10292, 12865, 16802, 22493, 25730, 33604, 42005, 44986, 51460, 84010, 89972, 112465, 168020, 224930, 449860, 697283, 1394566, 2789132, 3486415, 6972830, 13945660]

約数ペア:

[(1, 13945660), (2, 6972830), (4, 3486415), (5, 2789132), (10, 1394566), (20, 697283), (31, 449860), (62, 224930), (83, 168020), (124, 112465), (155, 89972), (166, 84010), (271, 51460), (310, 44986), (332, 42005), (415, 33604), (542, 25730), (620, 22493), (830, 16802), (1084, 12865), (1355, 10292), (1660, 8401), (2573, 5420), (2710, 5146)]