20072049880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{143249}}^1$

素因数の和:143404

約数の個数: 64

約数和(自身を含む): 47031840000

約数和(自身を除く): 26959790120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 113, 124, 155, 226, 248, 310, 452, 565, 620, 904, 1130, 1240, 2260, 3503, 4520, 7006, 14012, 17515, 28024, 35030, 70060, 140120, 143249, 286498, 572996, 716245, 1145992, 1432490, 2864980, 4440719, 5729960, 8881438, 16187137, 17762876, 22203595, 32374274, 35525752, 44407190, 64748548, 80935685, 88814380, 129497096, 161871370, 177628760, 323742740, 501801247, 647485480, 1003602494, 2007204988, 2509006235, 4014409976, 5018012470, 10036024940, 20072049880]

約数ペア:

[(1, 20072049880), (2, 10036024940), (4, 5018012470), (5, 4014409976), (8, 2509006235), (10, 2007204988), (20, 1003602494), (31, 647485480), (40, 501801247), (62, 323742740), (113, 177628760), (124, 161871370), (155, 129497096), (226, 88814380), (248, 80935685), (310, 64748548), (452, 44407190), (565, 35525752), (620, 32374274), (904, 22203595), (1130, 17762876), (1240, 16187137), (2260, 8881438), (3503, 5729960), (4520, 4440719), (7006, 2864980), (14012, 1432490), (17515, 1145992), (28024, 716245), (35030, 572996), (70060, 286498), (140120, 143249)]