2080348880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{426301}}^1$

素因数の和:426375

約数の個数: 40

約数和(自身を含む): 4916114664

約数和(自身を除く): 2835765784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 426301, 852602, 1705204, 2131505, 3410408, 4263010, 6820816, 8526020, 17052040, 26004361, 34104080, 52008722, 104017444, 130021805, 208034888, 260043610, 416069776, 520087220, 1040174440, 2080348880]

約数ペア:

[(1, 2080348880), (2, 1040174440), (4, 520087220), (5, 416069776), (8, 260043610), (10, 208034888), (16, 130021805), (20, 104017444), (40, 52008722), (61, 34104080), (80, 26004361), (122, 17052040), (244, 8526020), (305, 6820816), (488, 4263010), (610, 3410408), (976, 2131505), (1220, 1705204), (2440, 852602), (4880, 426301)]