13145420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 31262112

約数和(自身を除く): 18116692

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 41, 46, 68, 82, 85, 92, 115, 164, 170, 205, 230, 340, 391, 410, 460, 697, 782, 820, 943, 1394, 1564, 1681, 1886, 1955, 2788, 3362, 3485, 3772, 3910, 4715, 6724, 6970, 7820, 8405, 9430, 13940, 16031, 16810, 18860, 28577, 32062, 33620, 38663, 57154, 64124, 77326, 80155, 114308, 142885, 154652, 160310, 193315, 285770, 320620, 386630, 571540, 657271, 773260, 1314542, 2629084, 3286355, 6572710, 13145420]

約数ペア:

[(1, 13145420), (2, 6572710), (4, 3286355), (5, 2629084), (10, 1314542), (17, 773260), (20, 657271), (23, 571540), (34, 386630), (41, 320620), (46, 285770), (68, 193315), (82, 160310), (85, 154652), (92, 142885), (115, 114308), (164, 80155), (170, 77326), (205, 64124), (230, 57154), (340, 38663), (391, 33620), (410, 32062), (460, 28577), (697, 18860), (782, 16810), (820, 16031), (943, 13940), (1394, 9430), (1564, 8405), (1681, 7820), (1886, 6970), (1955, 6724), (2788, 4715), (3362, 3910), (3485, 3772)]