28542560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 73029600

約数和(自身を除く): 44487040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 76, 80, 82, 95, 152, 160, 164, 190, 205, 229, 304, 328, 380, 410, 458, 608, 656, 760, 779, 820, 916, 1145, 1312, 1520, 1558, 1640, 1832, 2290, 3040, 3116, 3280, 3664, 3895, 4351, 4580, 6232, 6560, 7328, 7790, 8702, 9160, 9389, 12464, 15580, 17404, 18320, 18778, 21755, 24928, 31160, 34808, 36640, 37556, 43510, 46945, 62320, 69616, 75112, 87020, 93890, 124640, 139232, 150224, 174040, 178391, 187780, 300448, 348080, 356782, 375560, 696160, 713564, 751120, 891955, 1427128, 1502240, 1783910, 2854256, 3567820, 5708512, 7135640, 14271280, 28542560]

約数ペア:

[(1, 28542560), (2, 14271280), (4, 7135640), (5, 5708512), (8, 3567820), (10, 2854256), (16, 1783910), (19, 1502240), (20, 1427128), (32, 891955), (38, 751120), (40, 713564), (41, 696160), (76, 375560), (80, 356782), (82, 348080), (95, 300448), (152, 187780), (160, 178391), (164, 174040), (190, 150224), (205, 139232), (229, 124640), (304, 93890), (328, 87020), (380, 75112), (410, 69616), (458, 62320), (608, 46945), (656, 43510), (760, 37556), (779, 36640), (820, 34808), (916, 31160), (1145, 24928), (1312, 21755), (1520, 18778), (1558, 18320), (1640, 17404), (1832, 15580), (2290, 12464), (3040, 9389), (3116, 9160), (3280, 8702), (3664, 7790), (3895, 7328), (4351, 6560), (4580, 6232)]