20075600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1668

約数の個数: 60

約数和(自身を含む): 49818240

約数和(自身を除く): 29742640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 1619, 2480, 3100, 3238, 6200, 6476, 8095, 12400, 12952, 16190, 25904, 32380, 40475, 50189, 64760, 80950, 100378, 129520, 161900, 200756, 250945, 323800, 401512, 501890, 647600, 803024, 1003780, 1254725, 2007560, 2509450, 4015120, 5018900, 10037800, 20075600]

約数ペア:

[(1, 20075600), (2, 10037800), (4, 5018900), (5, 4015120), (8, 2509450), (10, 2007560), (16, 1254725), (20, 1003780), (25, 803024), (31, 647600), (40, 501890), (50, 401512), (62, 323800), (80, 250945), (100, 200756), (124, 161900), (155, 129520), (200, 100378), (248, 80950), (310, 64760), (400, 50189), (496, 40475), (620, 32380), (775, 25904), (1240, 16190), (1550, 12952), (1619, 12400), (2480, 8095), (3100, 6476), (3238, 6200)]