25845820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1291}}^1$

素因数の和:1331

約数の個数: 96

約数和(自身を含む): 72930816

約数和(自身を除く): 47084996

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1291, 1430, 1540, 1820, 2002, 2582, 2860, 4004, 5005, 5164, 6455, 9037, 10010, 12910, 14201, 16783, 18074, 20020, 25820, 28402, 33566, 36148, 45185, 56804, 67132, 71005, 83915, 90370, 99407, 117481, 142010, 167830, 180740, 184613, 198814, 234962, 284020, 335660, 369226, 397628, 469924, 497035, 587405, 738452, 923065, 994070, 1174810, 1292291, 1846130, 1988140, 2349620, 2584582, 3692260, 5169164, 6461455, 12922910, 25845820]

約数ペア:

[(1, 25845820), (2, 12922910), (4, 6461455), (5, 5169164), (7, 3692260), (10, 2584582), (11, 2349620), (13, 1988140), (14, 1846130), (20, 1292291), (22, 1174810), (26, 994070), (28, 923065), (35, 738452), (44, 587405), (52, 497035), (55, 469924), (65, 397628), (70, 369226), (77, 335660), (91, 284020), (110, 234962), (130, 198814), (140, 184613), (143, 180740), (154, 167830), (182, 142010), (220, 117481), (260, 99407), (286, 90370), (308, 83915), (364, 71005), (385, 67132), (455, 56804), (572, 45185), (715, 36148), (770, 33566), (910, 28402), (1001, 25820), (1291, 20020), (1430, 18074), (1540, 16783), (1820, 14201), (2002, 12910), (2582, 10010), (2860, 9037), (4004, 6455), (5005, 5164)]