25846840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 36361160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 479, 568, 710, 760, 958, 1349, 1420, 1916, 2395, 2698, 2840, 3832, 4790, 5396, 6745, 9101, 9580, 10792, 13490, 18202, 19160, 26980, 34009, 36404, 45505, 53960, 68018, 72808, 91010, 136036, 170045, 182020, 272072, 340090, 364040, 646171, 680180, 1292342, 1360360, 2584684, 3230855, 5169368, 6461710, 12923420, 25846840]

約数ペア:

[(1, 25846840), (2, 12923420), (4, 6461710), (5, 5169368), (8, 3230855), (10, 2584684), (19, 1360360), (20, 1292342), (38, 680180), (40, 646171), (71, 364040), (76, 340090), (95, 272072), (142, 182020), (152, 170045), (190, 136036), (284, 91010), (355, 72808), (380, 68018), (479, 53960), (568, 45505), (710, 36404), (760, 34009), (958, 26980), (1349, 19160), (1420, 18202), (1916, 13490), (2395, 10792), (2698, 9580), (2840, 9101), (3832, 6745), (4790, 5396)]