25290020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4201}}^1$

素因数の和:4260

約数の個数: 48

約数和(自身を含む): 62122368

約数和(自身を除く): 36832348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 4201, 6020, 8402, 16804, 21005, 29407, 42010, 58814, 84020, 117628, 147035, 180643, 294070, 361286, 588140, 722572, 903215, 1264501, 1806430, 2529002, 3612860, 5058004, 6322505, 12645010, 25290020]

約数ペア:

[(1, 25290020), (2, 12645010), (4, 6322505), (5, 5058004), (7, 3612860), (10, 2529002), (14, 1806430), (20, 1264501), (28, 903215), (35, 722572), (43, 588140), (70, 361286), (86, 294070), (140, 180643), (172, 147035), (215, 117628), (301, 84020), (430, 58814), (602, 42010), (860, 29407), (1204, 21005), (1505, 16804), (3010, 8402), (4201, 6020)]