2006402840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{11657}}^1$

素因数の和:12012

約数の個数: 64

約数和(自身を含む): 4876774560

約数和(自身を除く): 2870371720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 331, 520, 662, 1324, 1655, 2648, 3310, 4303, 6620, 8606, 11657, 13240, 17212, 21515, 23314, 34424, 43030, 46628, 58285, 86060, 93256, 116570, 151541, 172120, 233140, 303082, 466280, 606164, 757705, 1212328, 1515410, 3030820, 3858467, 6061640, 7716934, 15433868, 19292335, 30867736, 38584670, 50160071, 77169340, 100320142, 154338680, 200640284, 250800355, 401280568, 501600710, 1003201420, 2006402840]

約数ペア:

[(1, 2006402840), (2, 1003201420), (4, 501600710), (5, 401280568), (8, 250800355), (10, 200640284), (13, 154338680), (20, 100320142), (26, 77169340), (40, 50160071), (52, 38584670), (65, 30867736), (104, 19292335), (130, 15433868), (260, 7716934), (331, 6061640), (520, 3858467), (662, 3030820), (1324, 1515410), (1655, 1212328), (2648, 757705), (3310, 606164), (4303, 466280), (6620, 303082), (8606, 233140), (11657, 172120), (13240, 151541), (17212, 116570), (21515, 93256), (23314, 86060), (34424, 58285), (43030, 46628)]