2013289420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79201}}^1$

素因数の和:79282

約数の個数: 48

約数和(自身を含む): 4470794496

約数和(自身を除く): 2457505076

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, 79201, 158402, 316804, 396005, 792010, 1584020, 2455231, 3247241, 4910462, 6494482, 9820924, 12276155, 12988964, 16236205, 24552310, 32472410, 49104620, 64944820, 100664471, 201328942, 402657884, 503322355, 1006644710, 2013289420]

約数ペア:

[(1, 2013289420), (2, 1006644710), (4, 503322355), (5, 402657884), (10, 201328942), (20, 100664471), (31, 64944820), (41, 49104620), (62, 32472410), (82, 24552310), (124, 16236205), (155, 12988964), (164, 12276155), (205, 9820924), (310, 6494482), (410, 4910462), (620, 3247241), (820, 2455231), (1271, 1584020), (2542, 792010), (5084, 396005), (6355, 316804), (12710, 158402), (25420, 79201)]