25390240

素因数分解:

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

素因数の和:5165

約数の個数: 48

約数和(自身を含む): 61931520

約数和(自身を除く): 36541280

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, 2480, 4960, 5119, 10238, 20476, 25595, 40952, 51190, 81904, 102380, 158689, 163808, 204760, 317378, 409520, 634756, 793445, 819040, 1269512, 1586890, 2539024, 3173780, 5078048, 6347560, 12695120, 25390240]

約数ペア:

[(1, 25390240), (2, 12695120), (4, 6347560), (5, 5078048), (8, 3173780), (10, 2539024), (16, 1586890), (20, 1269512), (31, 819040), (32, 793445), (40, 634756), (62, 409520), (80, 317378), (124, 204760), (155, 163808), (160, 158689), (248, 102380), (310, 81904), (496, 51190), (620, 40952), (992, 25595), (1240, 20476), (2480, 10238), (4960, 5119)]