2164920291280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{342550679}}^1$

素因数の和:342550771

約数の個数: 40

約数和(自身を含む): 5097154118400

約数和(自身を除く): 2932233827120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 342550679, 685101358, 1370202716, 1712753395, 2740405432, 3425506790, 5480810864, 6851013580, 13702027160, 27061503641, 27404054320, 54123007282, 108246014564, 135307518205, 216492029128, 270615036410, 432984058256, 541230072820, 1082460145640, 2164920291280]

約数ペア:

[(1, 2164920291280), (2, 1082460145640), (4, 541230072820), (5, 432984058256), (8, 270615036410), (10, 216492029128), (16, 135307518205), (20, 108246014564), (40, 54123007282), (79, 27404054320), (80, 27061503641), (158, 13702027160), (316, 6851013580), (395, 5480810864), (632, 3425506790), (790, 2740405432), (1264, 1712753395), (1580, 1370202716), (3160, 685101358), (6320, 342550679)]