28077200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4129}}^1$

素因数の和:4164

約数の個数: 60

約数和(自身を含む): 71440740

約数和(自身を除く): 43363540

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 4129, 6800, 8258, 16516, 20645, 33032, 41290, 66064, 70193, 82580, 103225, 140386, 165160, 206450, 280772, 330320, 350965, 412900, 561544, 701930, 825800, 1123088, 1403860, 1651600, 1754825, 2807720, 3509650, 5615440, 7019300, 14038600, 28077200]

約数ペア:

[(1, 28077200), (2, 14038600), (4, 7019300), (5, 5615440), (8, 3509650), (10, 2807720), (16, 1754825), (17, 1651600), (20, 1403860), (25, 1123088), (34, 825800), (40, 701930), (50, 561544), (68, 412900), (80, 350965), (85, 330320), (100, 280772), (136, 206450), (170, 165160), (200, 140386), (272, 103225), (340, 82580), (400, 70193), (425, 66064), (680, 41290), (850, 33032), (1360, 20645), (1700, 16516), (3400, 8258), (4129, 6800)]