38366980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 83825280

約数和(自身を除く): 45458300

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 659, 710, 820, 1318, 1420, 2636, 2911, 3295, 5822, 6590, 11644, 13180, 14555, 27019, 29110, 46789, 54038, 58220, 93578, 108076, 135095, 187156, 233945, 270190, 467890, 540380, 935780, 1918349, 3836698, 7673396, 9591745, 19183490, 38366980]

約数ペア:

[(1, 38366980), (2, 19183490), (4, 9591745), (5, 7673396), (10, 3836698), (20, 1918349), (41, 935780), (71, 540380), (82, 467890), (142, 270190), (164, 233945), (205, 187156), (284, 135095), (355, 108076), (410, 93578), (659, 58220), (710, 54038), (820, 46789), (1318, 29110), (1420, 27019), (2636, 14555), (2911, 13180), (3295, 11644), (5822, 6590)]