39742000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:695

約数の個数: 80

約数和(自身を含む): 99350784

約数和(自身を除く): 59608784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 641, 775, 1000, 1240, 1282, 1550, 2000, 2480, 2564, 3100, 3205, 3875, 5128, 6200, 6410, 7750, 10256, 12400, 12820, 15500, 16025, 19871, 25640, 31000, 32050, 39742, 51280, 62000, 64100, 79484, 80125, 99355, 128200, 158968, 160250, 198710, 256400, 317936, 320500, 397420, 496775, 641000, 794840, 993550, 1282000, 1589680, 1987100, 2483875, 3974200, 4967750, 7948400, 9935500, 19871000, 39742000]

約数ペア:

[(1, 39742000), (2, 19871000), (4, 9935500), (5, 7948400), (8, 4967750), (10, 3974200), (16, 2483875), (20, 1987100), (25, 1589680), (31, 1282000), (40, 993550), (50, 794840), (62, 641000), (80, 496775), (100, 397420), (124, 320500), (125, 317936), (155, 256400), (200, 198710), (248, 160250), (250, 158968), (310, 128200), (400, 99355), (496, 80125), (500, 79484), (620, 64100), (641, 62000), (775, 51280), (1000, 39742), (1240, 32050), (1282, 31000), (1550, 25640), (2000, 19871), (2480, 16025), (2564, 15500), (3100, 12820), (3205, 12400), (3875, 10256), (5128, 7750), (6200, 6410)]