25444480

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 36245120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 479, 640, 664, 830, 958, 1328, 1660, 1916, 2395, 2656, 3320, 3832, 4790, 5312, 6640, 7664, 9580, 10624, 13280, 15328, 19160, 26560, 30656, 38320, 39757, 53120, 61312, 76640, 79514, 153280, 159028, 198785, 306560, 318056, 397570, 636112, 795140, 1272224, 1590280, 2544448, 3180560, 5088896, 6361120, 12722240, 25444480]

約数ペア:

[(1, 25444480), (2, 12722240), (4, 6361120), (5, 5088896), (8, 3180560), (10, 2544448), (16, 1590280), (20, 1272224), (32, 795140), (40, 636112), (64, 397570), (80, 318056), (83, 306560), (128, 198785), (160, 159028), (166, 153280), (320, 79514), (332, 76640), (415, 61312), (479, 53120), (640, 39757), (664, 38320), (830, 30656), (958, 26560), (1328, 19160), (1660, 15328), (1916, 13280), (2395, 10624), (2656, 9580), (3320, 7664), (3832, 6640), (4790, 5312)]