2005026680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{85103}}^1$

素因数の和:85164

約数の個数: 64

約数和(自身を含む): 4901990400

約数和(自身を除く): 2896963720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 11780, 23560, 85103, 170206, 340412, 425515, 680824, 851030, 1616957, 1702060, 2638193, 3233914, 3404120, 5276386, 6467828, 8084785, 10552772, 12935656, 13190965, 16169570, 21105544, 26381930, 32339140, 50125667, 52763860, 64678280, 100251334, 105527720, 200502668, 250628335, 401005336, 501256670, 1002513340, 2005026680]

約数ペア:

[(1, 2005026680), (2, 1002513340), (4, 501256670), (5, 401005336), (8, 250628335), (10, 200502668), (19, 105527720), (20, 100251334), (31, 64678280), (38, 52763860), (40, 50125667), (62, 32339140), (76, 26381930), (95, 21105544), (124, 16169570), (152, 13190965), (155, 12935656), (190, 10552772), (248, 8084785), (310, 6467828), (380, 5276386), (589, 3404120), (620, 3233914), (760, 2638193), (1178, 1702060), (1240, 1616957), (2356, 851030), (2945, 680824), (4712, 425515), (5890, 340412), (11780, 170206), (23560, 85103)]