1285202440

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1\times {\mathrm{601}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 2922035760

約数和(自身を除く): 1636833320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 277, 386, 554, 601, 772, 965, 1108, 1202, 1385, 1544, 1930, 2216, 2404, 2770, 3005, 3860, 4808, 5540, 6010, 7720, 11080, 12020, 24040, 53461, 106922, 115993, 166477, 213844, 231986, 267305, 332954, 427688, 463972, 534610, 579965, 665908, 832385, 927944, 1069220, 1159930, 1331816, 1664770, 2138440, 2319860, 3329540, 4639720, 6659080, 32130061, 64260122, 128520244, 160650305, 257040488, 321300610, 642601220, 1285202440]

約数ペア:

[(1, 1285202440), (2, 642601220), (4, 321300610), (5, 257040488), (8, 160650305), (10, 128520244), (20, 64260122), (40, 32130061), (193, 6659080), (277, 4639720), (386, 3329540), (554, 2319860), (601, 2138440), (772, 1664770), (965, 1331816), (1108, 1159930), (1202, 1069220), (1385, 927944), (1544, 832385), (1930, 665908), (2216, 579965), (2404, 534610), (2770, 463972), (3005, 427688), (3860, 332954), (4808, 267305), (5540, 231986), (6010, 213844), (7720, 166477), (11080, 115993), (12020, 106922), (24040, 53461)]