25085440

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:303

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 36785600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 239, 256, 320, 328, 410, 478, 512, 640, 656, 820, 956, 1195, 1280, 1312, 1640, 1912, 2390, 2560, 2624, 3280, 3824, 4780, 5248, 6560, 7648, 9560, 9799, 10496, 13120, 15296, 19120, 19598, 20992, 26240, 30592, 38240, 39196, 48995, 52480, 61184, 76480, 78392, 97990, 104960, 122368, 152960, 156784, 195980, 305920, 313568, 391960, 611840, 627136, 783920, 1254272, 1567840, 2508544, 3135680, 5017088, 6271360, 12542720, 25085440]

約数ペア:

[(1, 25085440), (2, 12542720), (4, 6271360), (5, 5017088), (8, 3135680), (10, 2508544), (16, 1567840), (20, 1254272), (32, 783920), (40, 627136), (41, 611840), (64, 391960), (80, 313568), (82, 305920), (128, 195980), (160, 156784), (164, 152960), (205, 122368), (239, 104960), (256, 97990), (320, 78392), (328, 76480), (410, 61184), (478, 52480), (512, 48995), (640, 39196), (656, 38240), (820, 30592), (956, 26240), (1195, 20992), (1280, 19598), (1312, 19120), (1640, 15296), (1912, 13120), (2390, 10496), (2560, 9799), (2624, 9560), (3280, 7648), (3824, 6560), (4780, 5248)]