2016130040

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1\times {\mathrm{991}}^1$

素因数の和:1464

約数の個数: 64

約数和(自身を含む): 4582206720

約数和(自身を除く): 2566076680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 281, 362, 562, 724, 905, 991, 1124, 1405, 1448, 1810, 1982, 2248, 2810, 3620, 3964, 4955, 5620, 7240, 7928, 9910, 11240, 19820, 39640, 50861, 101722, 179371, 203444, 254305, 278471, 358742, 406888, 508610, 556942, 717484, 896855, 1017220, 1113884, 1392355, 1434968, 1793710, 2034440, 2227768, 2784710, 3587420, 5569420, 7174840, 11138840, 50403251, 100806502, 201613004, 252016255, 403226008, 504032510, 1008065020, 2016130040]

約数ペア:

[(1, 2016130040), (2, 1008065020), (4, 504032510), (5, 403226008), (8, 252016255), (10, 201613004), (20, 100806502), (40, 50403251), (181, 11138840), (281, 7174840), (362, 5569420), (562, 3587420), (724, 2784710), (905, 2227768), (991, 2034440), (1124, 1793710), (1405, 1434968), (1448, 1392355), (1810, 1113884), (1982, 1017220), (2248, 896855), (2810, 717484), (3620, 556942), (3964, 508610), (4955, 406888), (5620, 358742), (7240, 278471), (7928, 254305), (9910, 203444), (11240, 179371), (19820, 101722), (39640, 50861)]