12255640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 29743200

約数和(自身を除く): 17487560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 269, 335, 340, 536, 538, 670, 680, 1076, 1139, 1340, 1345, 2152, 2278, 2680, 2690, 4556, 4573, 5380, 5695, 9112, 9146, 10760, 11390, 18023, 18292, 22780, 22865, 36046, 36584, 45560, 45730, 72092, 90115, 91460, 144184, 180230, 182920, 306391, 360460, 612782, 720920, 1225564, 1531955, 2451128, 3063910, 6127820, 12255640]

約数ペア:

[(1, 12255640), (2, 6127820), (4, 3063910), (5, 2451128), (8, 1531955), (10, 1225564), (17, 720920), (20, 612782), (34, 360460), (40, 306391), (67, 182920), (68, 180230), (85, 144184), (134, 91460), (136, 90115), (170, 72092), (268, 45730), (269, 45560), (335, 36584), (340, 36046), (536, 22865), (538, 22780), (670, 18292), (680, 18023), (1076, 11390), (1139, 10760), (1340, 9146), (1345, 9112), (2152, 5695), (2278, 5380), (2680, 4573), (2690, 4556)]