64027780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{188317}}^1$

素因数の和:188343

約数の個数: 24

約数和(自身を含む): 142368408

約数和(自身を除く): 78340628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 188317, 376634, 753268, 941585, 1883170, 3201389, 3766340, 6402778, 12805556, 16006945, 32013890, 64027780]

約数ペア:

[(1, 64027780), (2, 32013890), (4, 16006945), (5, 12805556), (10, 6402778), (17, 3766340), (20, 3201389), (34, 1883170), (68, 941585), (85, 753268), (170, 376634), (340, 188317)]