128511286520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1967411}}^1$

素因数の和:1967516

約数の個数: 64

約数和(自身を含む): 305971914240

約数和(自身を除く): 177460627720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 284, 355, 460, 568, 710, 920, 1420, 1633, 2840, 3266, 6532, 8165, 13064, 16330, 32660, 65320, 1967411, 3934822, 7869644, 9837055, 15739288, 19674110, 39348220, 45250453, 78696440, 90500906, 139686181, 181001812, 226252265, 279372362, 362003624, 452504530, 558744724, 698430905, 905009060, 1117489448, 1396861810, 1810018120, 2793723620, 3212782163, 5587447240, 6425564326, 12851128652, 16063910815, 25702257304, 32127821630, 64255643260, 128511286520]

約数ペア:

[(1, 128511286520), (2, 64255643260), (4, 32127821630), (5, 25702257304), (8, 16063910815), (10, 12851128652), (20, 6425564326), (23, 5587447240), (40, 3212782163), (46, 2793723620), (71, 1810018120), (92, 1396861810), (115, 1117489448), (142, 905009060), (184, 698430905), (230, 558744724), (284, 452504530), (355, 362003624), (460, 279372362), (568, 226252265), (710, 181001812), (920, 139686181), (1420, 90500906), (1633, 78696440), (2840, 45250453), (3266, 39348220), (6532, 19674110), (8165, 15739288), (13064, 9837055), (16330, 7869644), (32660, 3934822), (65320, 1967411)]