65689000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 171924480

約数和(自身を除く): 106235480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 125, 130, 155, 163, 200, 248, 250, 260, 310, 325, 326, 403, 500, 520, 620, 650, 652, 775, 806, 815, 1000, 1240, 1300, 1304, 1550, 1612, 1625, 1630, 2015, 2119, 2600, 3100, 3224, 3250, 3260, 3875, 4030, 4075, 4238, 5053, 6200, 6500, 6520, 7750, 8060, 8150, 8476, 10075, 10106, 10595, 13000, 15500, 16120, 16300, 16952, 20150, 20212, 20375, 21190, 25265, 31000, 32600, 40300, 40424, 40750, 42380, 50375, 50530, 52975, 65689, 80600, 81500, 84760, 100750, 101060, 105950, 126325, 131378, 163000, 201500, 202120, 211900, 252650, 262756, 264875, 328445, 403000, 423800, 505300, 525512, 529750, 631625, 656890, 1010600, 1059500, 1263250, 1313780, 1642225, 2119000, 2526500, 2627560, 3284450, 5053000, 6568900, 8211125, 13137800, 16422250, 32844500, 65689000]

約数ペア:

[(1, 65689000), (2, 32844500), (4, 16422250), (5, 13137800), (8, 8211125), (10, 6568900), (13, 5053000), (20, 3284450), (25, 2627560), (26, 2526500), (31, 2119000), (40, 1642225), (50, 1313780), (52, 1263250), (62, 1059500), (65, 1010600), (100, 656890), (104, 631625), (124, 529750), (125, 525512), (130, 505300), (155, 423800), (163, 403000), (200, 328445), (248, 264875), (250, 262756), (260, 252650), (310, 211900), (325, 202120), (326, 201500), (403, 163000), (500, 131378), (520, 126325), (620, 105950), (650, 101060), (652, 100750), (775, 84760), (806, 81500), (815, 80600), (1000, 65689), (1240, 52975), (1300, 50530), (1304, 50375), (1550, 42380), (1612, 40750), (1625, 40424), (1630, 40300), (2015, 32600), (2119, 31000), (2600, 25265), (3100, 21190), (3224, 20375), (3250, 20212), (3260, 20150), (3875, 16952), (4030, 16300), (4075, 16120), (4238, 15500), (5053, 13000), (6200, 10595), (6500, 10106), (6520, 10075), (7750, 8476), (8060, 8150)]