19542400

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 50086080

約数和(自身を除く): 30543680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 197, 200, 248, 310, 320, 394, 400, 496, 620, 640, 775, 788, 800, 985, 992, 1240, 1550, 1576, 1600, 1970, 1984, 2480, 3100, 3152, 3200, 3940, 3968, 4925, 4960, 6107, 6200, 6304, 7880, 9850, 9920, 12214, 12400, 12608, 15760, 19700, 19840, 24428, 24800, 25216, 30535, 31520, 39400, 48856, 49600, 61070, 63040, 78800, 97712, 99200, 122140, 126080, 152675, 157600, 195424, 244280, 305350, 315200, 390848, 488560, 610700, 630400, 781696, 977120, 1221400, 1954240, 2442800, 3908480, 4885600, 9771200, 19542400]

約数ペア:

[(1, 19542400), (2, 9771200), (4, 4885600), (5, 3908480), (8, 2442800), (10, 1954240), (16, 1221400), (20, 977120), (25, 781696), (31, 630400), (32, 610700), (40, 488560), (50, 390848), (62, 315200), (64, 305350), (80, 244280), (100, 195424), (124, 157600), (128, 152675), (155, 126080), (160, 122140), (197, 99200), (200, 97712), (248, 78800), (310, 63040), (320, 61070), (394, 49600), (400, 48856), (496, 39400), (620, 31520), (640, 30535), (775, 25216), (788, 24800), (800, 24428), (985, 19840), (992, 19700), (1240, 15760), (1550, 12608), (1576, 12400), (1600, 12214), (1970, 9920), (1984, 9850), (2480, 7880), (3100, 6304), (3152, 6200), (3200, 6107), (3940, 4960), (3968, 4925)]