73604020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12823}}^1$

素因数の和:12880

約数の個数: 48

約数和(自身を含む): 180972288

約数和(自身を除く): 107368268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 12823, 25646, 51292, 64115, 89761, 128230, 179522, 256460, 359044, 448805, 525743, 897610, 1051486, 1795220, 2102972, 2628715, 3680201, 5257430, 7360402, 10514860, 14720804, 18401005, 36802010, 73604020]

約数ペア:

[(1, 73604020), (2, 36802010), (4, 18401005), (5, 14720804), (7, 10514860), (10, 7360402), (14, 5257430), (20, 3680201), (28, 2628715), (35, 2102972), (41, 1795220), (70, 1051486), (82, 897610), (140, 525743), (164, 448805), (205, 359044), (287, 256460), (410, 179522), (574, 128230), (820, 89761), (1148, 64115), (1435, 51292), (2870, 25646), (5740, 12823)]