12695120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5119}}^1$

素因数の和:5163

約数の個数: 40

約数和(自身を含む): 30474240

約数和(自身を除く): 17779120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 5119, 10238, 20476, 25595, 40952, 51190, 81904, 102380, 158689, 204760, 317378, 409520, 634756, 793445, 1269512, 1586890, 2539024, 3173780, 6347560, 12695120]

約数ペア:

[(1, 12695120), (2, 6347560), (4, 3173780), (5, 2539024), (8, 1586890), (10, 1269512), (16, 793445), (20, 634756), (31, 409520), (40, 317378), (62, 204760), (80, 158689), (124, 102380), (155, 81904), (248, 51190), (310, 40952), (496, 25595), (620, 20476), (1240, 10238), (2480, 5119)]