2666990140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{104917}}^1$

素因数の和:104998

約数の個数: 48

約数和(自身を含む): 5922411264

約数和(自身を除く): 3255421124

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 5084, 6355, 12710, 25420, 104917, 209834, 419668, 524585, 1049170, 2098340, 3252427, 4301597, 6504854, 8603194, 13009708, 16262135, 17206388, 21507985, 32524270, 43015970, 65048540, 86031940, 133349507, 266699014, 533398028, 666747535, 1333495070, 2666990140]

約数ペア:

[(1, 2666990140), (2, 1333495070), (4, 666747535), (5, 533398028), (10, 266699014), (20, 133349507), (31, 86031940), (41, 65048540), (62, 43015970), (82, 32524270), (124, 21507985), (155, 17206388), (164, 16262135), (205, 13009708), (310, 8603194), (410, 6504854), (620, 4301597), (820, 3252427), (1271, 2098340), (2542, 1049170), (5084, 524585), (6355, 419668), (12710, 209834), (25420, 104917)]