25479040

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{971}}^1$

素因数の和:1031

約数の個数: 64

約数和(自身を含む): 62460720

約数和(自身を除く): 36981680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 971, 1312, 1640, 1942, 2624, 3280, 3884, 4855, 5248, 6560, 7768, 9710, 13120, 15536, 19420, 26240, 31072, 38840, 39811, 62144, 77680, 79622, 124288, 155360, 159244, 199055, 310720, 318488, 398110, 621440, 636976, 796220, 1273952, 1592440, 2547904, 3184880, 5095808, 6369760, 12739520, 25479040]

約数ペア:

[(1, 25479040), (2, 12739520), (4, 6369760), (5, 5095808), (8, 3184880), (10, 2547904), (16, 1592440), (20, 1273952), (32, 796220), (40, 636976), (41, 621440), (64, 398110), (80, 318488), (82, 310720), (128, 199055), (160, 159244), (164, 155360), (205, 124288), (320, 79622), (328, 77680), (410, 62144), (640, 39811), (656, 38840), (820, 31072), (971, 26240), (1312, 19420), (1640, 15536), (1942, 13120), (2624, 9710), (3280, 7768), (3884, 6560), (4855, 5248)]