12506780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4373}}^1$

素因数の和:4406

約数の個数: 48

約数和(自身を含む): 30862944

約数和(自身を除く): 18356164

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 4373, 8746, 17492, 21865, 43730, 48103, 56849, 87460, 96206, 113698, 192412, 227396, 240515, 284245, 481030, 568490, 625339, 962060, 1136980, 1250678, 2501356, 3126695, 6253390, 12506780]

約数ペア:

[(1, 12506780), (2, 6253390), (4, 3126695), (5, 2501356), (10, 1250678), (11, 1136980), (13, 962060), (20, 625339), (22, 568490), (26, 481030), (44, 284245), (52, 240515), (55, 227396), (65, 192412), (110, 113698), (130, 96206), (143, 87460), (220, 56849), (260, 48103), (286, 43730), (572, 21865), (715, 17492), (1430, 8746), (2860, 4373)]