126972280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{102397}}^1$

素因数の和:102439

約数の個数: 32

約数和(自身を含む): 294906240

約数和(自身を除く): 167933960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 102397, 204794, 409588, 511985, 819176, 1023970, 2047940, 3174307, 4095880, 6348614, 12697228, 15871535, 25394456, 31743070, 63486140, 126972280]

約数ペア:

[(1, 126972280), (2, 63486140), (4, 31743070), (5, 25394456), (8, 15871535), (10, 12697228), (20, 6348614), (31, 4095880), (40, 3174307), (62, 2047940), (124, 1023970), (155, 819176), (248, 511985), (310, 409588), (620, 204794), (1240, 102397)]