8030240

素因数分解:

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

素因数の和:1665

約数の個数: 48

約数和(自身を含む): 19595520

約数和(自身を除く): 11565280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 1619, 2480, 3238, 4960, 6476, 8095, 12952, 16190, 25904, 32380, 50189, 51808, 64760, 100378, 129520, 200756, 250945, 259040, 401512, 501890, 803024, 1003780, 1606048, 2007560, 4015120, 8030240]

約数ペア:

[(1, 8030240), (2, 4015120), (4, 2007560), (5, 1606048), (8, 1003780), (10, 803024), (16, 501890), (20, 401512), (31, 259040), (32, 250945), (40, 200756), (62, 129520), (80, 100378), (124, 64760), (155, 51808), (160, 50189), (248, 32380), (310, 25904), (496, 16190), (620, 12952), (992, 8095), (1240, 6476), (1619, 4960), (2480, 3238)]