217103680

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5179}}^1$

素因数の和:5327

約数の個数: 56

約数和(自身を含む): 521025120

約数和(自身を除く): 303921440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 524, 655, 1048, 1310, 2096, 2620, 4192, 5179, 5240, 8384, 10358, 10480, 20716, 20960, 25895, 41432, 41920, 51790, 82864, 103580, 165728, 207160, 331456, 414320, 678449, 828640, 1356898, 1657280, 2713796, 3392245, 5427592, 6784490, 10855184, 13568980, 21710368, 27137960, 43420736, 54275920, 108551840, 217103680]

約数ペア:

[(1, 217103680), (2, 108551840), (4, 54275920), (5, 43420736), (8, 27137960), (10, 21710368), (16, 13568980), (20, 10855184), (32, 6784490), (40, 5427592), (64, 3392245), (80, 2713796), (131, 1657280), (160, 1356898), (262, 828640), (320, 678449), (524, 414320), (655, 331456), (1048, 207160), (1310, 165728), (2096, 103580), (2620, 82864), (4192, 51790), (5179, 41920), (5240, 41432), (8384, 25895), (10358, 20960), (10480, 20716)]