25870130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 29771470

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 79, 110, 130, 143, 158, 229, 286, 395, 458, 715, 790, 869, 1027, 1145, 1430, 1738, 2054, 2290, 2519, 2977, 4345, 5038, 5135, 5954, 8690, 10270, 11297, 12595, 14885, 18091, 22594, 25190, 29770, 32747, 36182, 56485, 65494, 90455, 112970, 163735, 180910, 199001, 235183, 327470, 398002, 470366, 995005, 1175915, 1990010, 2351830, 2587013, 5174026, 12935065, 25870130]

約数ペア:

[(1, 25870130), (2, 12935065), (5, 5174026), (10, 2587013), (11, 2351830), (13, 1990010), (22, 1175915), (26, 995005), (55, 470366), (65, 398002), (79, 327470), (110, 235183), (130, 199001), (143, 180910), (158, 163735), (229, 112970), (286, 90455), (395, 65494), (458, 56485), (715, 36182), (790, 32747), (869, 29770), (1027, 25190), (1145, 22594), (1430, 18091), (1738, 14885), (2054, 12595), (2290, 11297), (2519, 10270), (2977, 8690), (4345, 5954), (5038, 5135)]