3971720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3203}}^1$

素因数の和:3245

約数の個数: 32

約数和(自身を含む): 9227520

約数和(自身を除く): 5255800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 3203, 6406, 12812, 16015, 25624, 32030, 64060, 99293, 128120, 198586, 397172, 496465, 794344, 992930, 1985860, 3971720]

約数ペア:

[(1, 3971720), (2, 1985860), (4, 992930), (5, 794344), (8, 496465), (10, 397172), (20, 198586), (31, 128120), (40, 99293), (62, 64060), (124, 32030), (155, 25624), (248, 16015), (310, 12812), (620, 6406), (1240, 3203)]