40664560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:926

約数の個数: 80

約数和(自身を含む): 102850560

約数和(自身を除く): 62186000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 863, 1178, 1240, 1520, 1726, 2356, 2480, 2945, 3452, 4315, 4712, 5890, 6904, 8630, 9424, 11780, 13808, 16397, 17260, 23560, 26753, 32794, 34520, 47120, 53506, 65588, 69040, 81985, 107012, 131176, 133765, 163970, 214024, 262352, 267530, 327940, 428048, 508307, 535060, 655880, 1016614, 1070120, 1311760, 2033228, 2140240, 2541535, 4066456, 5083070, 8132912, 10166140, 20332280, 40664560]

約数ペア:

[(1, 40664560), (2, 20332280), (4, 10166140), (5, 8132912), (8, 5083070), (10, 4066456), (16, 2541535), (19, 2140240), (20, 2033228), (31, 1311760), (38, 1070120), (40, 1016614), (62, 655880), (76, 535060), (80, 508307), (95, 428048), (124, 327940), (152, 267530), (155, 262352), (190, 214024), (248, 163970), (304, 133765), (310, 131176), (380, 107012), (496, 81985), (589, 69040), (620, 65588), (760, 53506), (863, 47120), (1178, 34520), (1240, 32794), (1520, 26753), (1726, 23560), (2356, 17260), (2480, 16397), (2945, 13808), (3452, 11780), (4315, 9424), (4712, 8630), (5890, 6904)]