1640367356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{5009}}^1$

素因数の和:5202

約数の個数: 48

約数和(自身を含む): 3142272000

約数和(自身を除く): 1501904644

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 139, 278, 556, 589, 1178, 2356, 2641, 4309, 5009, 5282, 8618, 10018, 10564, 17236, 20036, 81871, 95171, 155279, 163742, 190342, 310558, 327484, 380684, 621116, 696251, 1392502, 2785004, 2950301, 5900602, 11801204, 13228769, 21583781, 26457538, 43167562, 52915076, 86335124, 410091839, 820183678, 1640367356]

約数ペア:

[(1, 1640367356), (2, 820183678), (4, 410091839), (19, 86335124), (31, 52915076), (38, 43167562), (62, 26457538), (76, 21583781), (124, 13228769), (139, 11801204), (278, 5900602), (556, 2950301), (589, 2785004), (1178, 1392502), (2356, 696251), (2641, 621116), (4309, 380684), (5009, 327484), (5282, 310558), (8618, 190342), (10018, 163742), (10564, 155279), (17236, 95171), (20036, 81871)]