91720240

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{4139}}^1$

素因数の和:4429

約数の個数: 40

約数和(自身を含む): 214071120

約数和(自身を除く): 122350880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2770, 4139, 4432, 5540, 8278, 11080, 16556, 20695, 22160, 33112, 41390, 66224, 82780, 165560, 331120, 1146503, 2293006, 4586012, 5732515, 9172024, 11465030, 18344048, 22930060, 45860120, 91720240]

約数ペア:

[(1, 91720240), (2, 45860120), (4, 22930060), (5, 18344048), (8, 11465030), (10, 9172024), (16, 5732515), (20, 4586012), (40, 2293006), (80, 1146503), (277, 331120), (554, 165560), (1108, 82780), (1385, 66224), (2216, 41390), (2770, 33112), (4139, 22160), (4432, 20695), (5540, 16556), (8278, 11080)]