39904760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2689}}^1$

素因数の和:2760

約数の個数: 64

約数和(自身を含む): 104587200

約数和(自身を除く): 64682440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2689, 2968, 3710, 5378, 7420, 10756, 13445, 14840, 18823, 21512, 26890, 37646, 53780, 75292, 94115, 107560, 142517, 150584, 188230, 285034, 376460, 570068, 712585, 752920, 997619, 1140136, 1425170, 1995238, 2850340, 3990476, 4988095, 5700680, 7980952, 9976190, 19952380, 39904760]

約数ペア:

[(1, 39904760), (2, 19952380), (4, 9976190), (5, 7980952), (7, 5700680), (8, 4988095), (10, 3990476), (14, 2850340), (20, 1995238), (28, 1425170), (35, 1140136), (40, 997619), (53, 752920), (56, 712585), (70, 570068), (106, 376460), (140, 285034), (212, 188230), (265, 150584), (280, 142517), (371, 107560), (424, 94115), (530, 75292), (742, 53780), (1060, 37646), (1484, 26890), (1855, 21512), (2120, 18823), (2689, 14840), (2968, 13445), (3710, 10756), (5378, 7420)]