12920680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19001}}^1$

素因数の和:19029

約数の個数: 32

約数和(自身を含む): 30783240

約数和(自身を除く): 17862560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 19001, 38002, 76004, 95005, 152008, 190010, 323017, 380020, 646034, 760040, 1292068, 1615085, 2584136, 3230170, 6460340, 12920680]

約数ペア:

[(1, 12920680), (2, 6460340), (4, 3230170), (5, 2584136), (8, 1615085), (10, 1292068), (17, 760040), (20, 646034), (34, 380020), (40, 323017), (68, 190010), (85, 152008), (136, 95005), (170, 76004), (340, 38002), (680, 19001)]