25621280

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2027}}^1$

素因数の和:2121

約数の個数: 48

約数和(自身を含む): 61326720

約数和(自身を除く): 35705440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2027, 2528, 3160, 4054, 6320, 8108, 10135, 12640, 16216, 20270, 32432, 40540, 64864, 81080, 160133, 162160, 320266, 324320, 640532, 800665, 1281064, 1601330, 2562128, 3202660, 5124256, 6405320, 12810640, 25621280]

約数ペア:

[(1, 25621280), (2, 12810640), (4, 6405320), (5, 5124256), (8, 3202660), (10, 2562128), (16, 1601330), (20, 1281064), (32, 800665), (40, 640532), (79, 324320), (80, 320266), (158, 162160), (160, 160133), (316, 81080), (395, 64864), (632, 40540), (790, 32432), (1264, 20270), (1580, 16216), (2027, 12640), (2528, 10135), (3160, 8108), (4054, 6320)]