30358480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6221}}^1$

素因数の和:6295

約数の個数: 40

約数和(自身を含む): 71752104

約数和(自身を除く): 41393624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 6221, 12442, 24884, 31105, 49768, 62210, 99536, 124420, 248840, 379481, 497680, 758962, 1517924, 1897405, 3035848, 3794810, 6071696, 7589620, 15179240, 30358480]

約数ペア:

[(1, 30358480), (2, 15179240), (4, 7589620), (5, 6071696), (8, 3794810), (10, 3035848), (16, 1897405), (20, 1517924), (40, 758962), (61, 497680), (80, 379481), (122, 248840), (244, 124420), (305, 99536), (488, 62210), (610, 49768), (976, 31105), (1220, 24884), (2440, 12442), (4880, 6221)]