2013335920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{1667}}^1$

素因数の和:2198

約数の個数: 80

約数和(自身を含む): 4844832768

約数和(自身を除く): 2831496848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 487, 496, 620, 974, 1240, 1667, 1948, 2435, 2480, 3334, 3896, 4870, 6668, 7792, 8335, 9740, 13336, 15097, 16670, 19480, 26672, 30194, 33340, 38960, 51677, 60388, 66680, 75485, 103354, 120776, 133360, 150970, 206708, 241552, 258385, 301940, 413416, 516770, 603880, 811829, 826832, 1033540, 1207760, 1623658, 2067080, 3247316, 4059145, 4134160, 6494632, 8118290, 12989264, 16236580, 25166699, 32473160, 50333398, 64946320, 100666796, 125833495, 201333592, 251666990, 402667184, 503333980, 1006667960, 2013335920]

約数ペア:

[(1, 2013335920), (2, 1006667960), (4, 503333980), (5, 402667184), (8, 251666990), (10, 201333592), (16, 125833495), (20, 100666796), (31, 64946320), (40, 50333398), (62, 32473160), (80, 25166699), (124, 16236580), (155, 12989264), (248, 8118290), (310, 6494632), (487, 4134160), (496, 4059145), (620, 3247316), (974, 2067080), (1240, 1623658), (1667, 1207760), (1948, 1033540), (2435, 826832), (2480, 811829), (3334, 603880), (3896, 516770), (4870, 413416), (6668, 301940), (7792, 258385), (8335, 241552), (9740, 206708), (13336, 150970), (15097, 133360), (16670, 120776), (19480, 103354), (26672, 75485), (30194, 66680), (33340, 60388), (38960, 51677)]