28582000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:515

約数の個数: 80

約数和(自身を含む): 71495424

約数和(自身を除く): 42913424

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, 461, 496, 500, 620, 775, 922, 1000, 1240, 1550, 1844, 2000, 2305, 2480, 3100, 3688, 3875, 4610, 6200, 7376, 7750, 9220, 11525, 12400, 14291, 15500, 18440, 23050, 28582, 31000, 36880, 46100, 57164, 57625, 62000, 71455, 92200, 114328, 115250, 142910, 184400, 228656, 230500, 285820, 357275, 461000, 571640, 714550, 922000, 1143280, 1429100, 1786375, 2858200, 3572750, 5716400, 7145500, 14291000, 28582000]

約数ペア:

[(1, 28582000), (2, 14291000), (4, 7145500), (5, 5716400), (8, 3572750), (10, 2858200), (16, 1786375), (20, 1429100), (25, 1143280), (31, 922000), (40, 714550), (50, 571640), (62, 461000), (80, 357275), (100, 285820), (124, 230500), (125, 228656), (155, 184400), (200, 142910), (248, 115250), (250, 114328), (310, 92200), (400, 71455), (461, 62000), (496, 57625), (500, 57164), (620, 46100), (775, 36880), (922, 31000), (1000, 28582), (1240, 23050), (1550, 18440), (1844, 15500), (2000, 14291), (2305, 12400), (2480, 11525), (3100, 9220), (3688, 7750), (3875, 7376), (4610, 6200)]