1639336520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{17597}}^1$

素因数の和:17762

約数の個数: 64

約数和(自身を含む): 3934208880

約数和(自身を除く): 2294872360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 137, 170, 274, 340, 548, 680, 685, 1096, 1370, 2329, 2740, 4658, 5480, 9316, 11645, 17597, 18632, 23290, 35194, 46580, 70388, 87985, 93160, 140776, 175970, 299149, 351940, 598298, 703880, 1196596, 1495745, 2393192, 2410789, 2991490, 4821578, 5982980, 9643156, 11965960, 12053945, 19286312, 24107890, 40983413, 48215780, 81966826, 96431560, 163933652, 204917065, 327867304, 409834130, 819668260, 1639336520]

約数ペア:

[(1, 1639336520), (2, 819668260), (4, 409834130), (5, 327867304), (8, 204917065), (10, 163933652), (17, 96431560), (20, 81966826), (34, 48215780), (40, 40983413), (68, 24107890), (85, 19286312), (136, 12053945), (137, 11965960), (170, 9643156), (274, 5982980), (340, 4821578), (548, 2991490), (680, 2410789), (685, 2393192), (1096, 1495745), (1370, 1196596), (2329, 703880), (2740, 598298), (4658, 351940), (5480, 299149), (9316, 175970), (11645, 140776), (17597, 93160), (18632, 87985), (23290, 70388), (35194, 46580)]