2078240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 3002080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 419, 496, 620, 838, 992, 1240, 1676, 2095, 2480, 3352, 4190, 4960, 6704, 8380, 12989, 13408, 16760, 25978, 33520, 51956, 64945, 67040, 103912, 129890, 207824, 259780, 415648, 519560, 1039120, 2078240]

約数ペア:

[(1, 2078240), (2, 1039120), (4, 519560), (5, 415648), (8, 259780), (10, 207824), (16, 129890), (20, 103912), (31, 67040), (32, 64945), (40, 51956), (62, 33520), (80, 25978), (124, 16760), (155, 13408), (160, 12989), (248, 8380), (310, 6704), (419, 4960), (496, 4190), (620, 3352), (838, 2480), (992, 2095), (1240, 1676)]