4015120

素因数分解:

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

素因数の和:1663

約数の個数: 40

約数和(自身を含む): 9642240

約数和(自身を除く): 5627120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 1619, 2480, 3238, 6476, 8095, 12952, 16190, 25904, 32380, 50189, 64760, 100378, 129520, 200756, 250945, 401512, 501890, 803024, 1003780, 2007560, 4015120]

約数ペア:

[(1, 4015120), (2, 2007560), (4, 1003780), (5, 803024), (8, 501890), (10, 401512), (16, 250945), (20, 200756), (31, 129520), (40, 100378), (62, 64760), (80, 50189), (124, 32380), (155, 25904), (248, 16190), (310, 12952), (496, 8095), (620, 6476), (1240, 3238), (1619, 2480)]