3988480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:85

約数の個数: 88

約数和(自身を含む): 10316880

約数和(自身を除く): 6328400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 152, 160, 164, 190, 205, 256, 304, 320, 328, 380, 410, 512, 608, 640, 656, 760, 779, 820, 1024, 1216, 1280, 1312, 1520, 1558, 1640, 2432, 2560, 2624, 3040, 3116, 3280, 3895, 4864, 5120, 5248, 6080, 6232, 6560, 7790, 9728, 10496, 12160, 12464, 13120, 15580, 19456, 20992, 24320, 24928, 26240, 31160, 41984, 48640, 49856, 52480, 62320, 97280, 99712, 104960, 124640, 199424, 209920, 249280, 398848, 498560, 797696, 997120, 1994240, 3988480]

約数ペア:

[(1, 3988480), (2, 1994240), (4, 997120), (5, 797696), (8, 498560), (10, 398848), (16, 249280), (19, 209920), (20, 199424), (32, 124640), (38, 104960), (40, 99712), (41, 97280), (64, 62320), (76, 52480), (80, 49856), (82, 48640), (95, 41984), (128, 31160), (152, 26240), (160, 24928), (164, 24320), (190, 20992), (205, 19456), (256, 15580), (304, 13120), (320, 12464), (328, 12160), (380, 10496), (410, 9728), (512, 7790), (608, 6560), (640, 6232), (656, 6080), (760, 5248), (779, 5120), (820, 4864), (1024, 3895), (1216, 3280), (1280, 3116), (1312, 3040), (1520, 2624), (1558, 2560), (1640, 2432)]