25546880

素因数分解:

$2^7\times 5^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 36142720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 179, 223, 320, 358, 446, 640, 716, 892, 895, 1115, 1432, 1784, 1790, 2230, 2864, 3568, 3580, 4460, 5728, 7136, 7160, 8920, 11456, 14272, 14320, 17840, 22912, 28544, 28640, 35680, 39917, 57280, 71360, 79834, 114560, 142720, 159668, 199585, 319336, 399170, 638672, 798340, 1277344, 1596680, 2554688, 3193360, 5109376, 6386720, 12773440, 25546880]

約数ペア:

[(1, 25546880), (2, 12773440), (4, 6386720), (5, 5109376), (8, 3193360), (10, 2554688), (16, 1596680), (20, 1277344), (32, 798340), (40, 638672), (64, 399170), (80, 319336), (128, 199585), (160, 159668), (179, 142720), (223, 114560), (320, 79834), (358, 71360), (446, 57280), (640, 39917), (716, 35680), (892, 28640), (895, 28544), (1115, 22912), (1432, 17840), (1784, 14320), (1790, 14272), (2230, 11456), (2864, 8920), (3568, 7160), (3580, 7136), (4460, 5728)]