2881840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 7687008

約数和(自身を除く): 4805168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 163, 170, 208, 221, 260, 272, 326, 340, 442, 520, 652, 680, 815, 884, 1040, 1105, 1304, 1360, 1630, 1768, 2119, 2210, 2608, 2771, 3260, 3536, 4238, 4420, 5542, 6520, 8476, 8840, 10595, 11084, 13040, 13855, 16952, 17680, 21190, 22168, 27710, 33904, 36023, 42380, 44336, 55420, 72046, 84760, 110840, 144092, 169520, 180115, 221680, 288184, 360230, 576368, 720460, 1440920, 2881840]

約数ペア:

[(1, 2881840), (2, 1440920), (4, 720460), (5, 576368), (8, 360230), (10, 288184), (13, 221680), (16, 180115), (17, 169520), (20, 144092), (26, 110840), (34, 84760), (40, 72046), (52, 55420), (65, 44336), (68, 42380), (80, 36023), (85, 33904), (104, 27710), (130, 22168), (136, 21190), (163, 17680), (170, 16952), (208, 13855), (221, 13040), (260, 11084), (272, 10595), (326, 8840), (340, 8476), (442, 6520), (520, 5542), (652, 4420), (680, 4238), (815, 3536), (884, 3260), (1040, 2771), (1105, 2608), (1304, 2210), (1360, 2119), (1630, 1768)]