13872680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:938

約数の個数: 64

約数和(自身を含む): 34525440

約数和(自身を除く): 20652760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 887, 920, 1564, 1774, 1955, 3128, 3548, 3910, 4435, 7096, 7820, 8870, 15079, 15640, 17740, 20401, 30158, 35480, 40802, 60316, 75395, 81604, 102005, 120632, 150790, 163208, 204010, 301580, 346817, 408020, 603160, 693634, 816040, 1387268, 1734085, 2774536, 3468170, 6936340, 13872680]

約数ペア:

[(1, 13872680), (2, 6936340), (4, 3468170), (5, 2774536), (8, 1734085), (10, 1387268), (17, 816040), (20, 693634), (23, 603160), (34, 408020), (40, 346817), (46, 301580), (68, 204010), (85, 163208), (92, 150790), (115, 120632), (136, 102005), (170, 81604), (184, 75395), (230, 60316), (340, 40802), (391, 35480), (460, 30158), (680, 20401), (782, 17740), (887, 15640), (920, 15079), (1564, 8870), (1774, 7820), (1955, 7096), (3128, 4435), (3548, 3910)]