39897260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{887}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 90853056

約数和(自身を除く): 50955796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 887, 1730, 1774, 2249, 3460, 3548, 4435, 4498, 8870, 8996, 11245, 11531, 17740, 22490, 23062, 44980, 46124, 57655, 115310, 153451, 230620, 306902, 613804, 767255, 1534510, 1994863, 3069020, 3989726, 7979452, 9974315, 19948630, 39897260]

約数ペア:

[(1, 39897260), (2, 19948630), (4, 9974315), (5, 7979452), (10, 3989726), (13, 3069020), (20, 1994863), (26, 1534510), (52, 767255), (65, 613804), (130, 306902), (173, 230620), (260, 153451), (346, 115310), (692, 57655), (865, 46124), (887, 44980), (1730, 23062), (1774, 22490), (2249, 17740), (3460, 11531), (3548, 11245), (4435, 8996), (4498, 8870)]