26401460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 57953280

約数和(自身を除く): 31551820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 439, 485, 620, 878, 970, 1756, 1940, 2195, 3007, 4390, 6014, 8780, 12028, 13609, 15035, 27218, 30070, 42583, 54436, 60140, 68045, 85166, 136090, 170332, 212915, 272180, 425830, 851660, 1320073, 2640146, 5280292, 6600365, 13200730, 26401460]

約数ペア:

[(1, 26401460), (2, 13200730), (4, 6600365), (5, 5280292), (10, 2640146), (20, 1320073), (31, 851660), (62, 425830), (97, 272180), (124, 212915), (155, 170332), (194, 136090), (310, 85166), (388, 68045), (439, 60140), (485, 54436), (620, 42583), (878, 30070), (970, 27218), (1756, 15035), (1940, 13609), (2195, 12028), (3007, 8780), (4390, 6014)]