39701240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 92806560

約数和(自身を除く): 53105320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 212, 244, 265, 305, 307, 424, 488, 530, 610, 614, 1060, 1220, 1228, 1535, 2120, 2440, 2456, 3070, 3233, 6140, 6466, 12280, 12932, 16165, 16271, 18727, 25864, 32330, 32542, 37454, 64660, 65084, 74908, 81355, 93635, 129320, 130168, 149816, 162710, 187270, 325420, 374540, 650840, 749080, 992531, 1985062, 3970124, 4962655, 7940248, 9925310, 19850620, 39701240]

約数ペア:

[(1, 39701240), (2, 19850620), (4, 9925310), (5, 7940248), (8, 4962655), (10, 3970124), (20, 1985062), (40, 992531), (53, 749080), (61, 650840), (106, 374540), (122, 325420), (212, 187270), (244, 162710), (265, 149816), (305, 130168), (307, 129320), (424, 93635), (488, 81355), (530, 74908), (610, 65084), (614, 64660), (1060, 37454), (1220, 32542), (1228, 32330), (1535, 25864), (2120, 18727), (2440, 16271), (2456, 16165), (3070, 12932), (3233, 12280), (6140, 6466)]