79805420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 174037248

約数和(自身を除く): 94231828

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 710, 860, 1307, 1420, 2614, 3053, 5228, 6106, 6535, 12212, 13070, 15265, 26140, 30530, 56201, 61060, 92797, 112402, 185594, 224804, 281005, 371188, 463985, 562010, 927970, 1124020, 1855940, 3990271, 7980542, 15961084, 19951355, 39902710, 79805420]

約数ペア:

[(1, 79805420), (2, 39902710), (4, 19951355), (5, 15961084), (10, 7980542), (20, 3990271), (43, 1855940), (71, 1124020), (86, 927970), (142, 562010), (172, 463985), (215, 371188), (284, 281005), (355, 224804), (430, 185594), (710, 112402), (860, 92797), (1307, 61060), (1420, 56201), (2614, 30530), (3053, 26140), (5228, 15265), (6106, 13070), (6535, 12212)]