54491240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71699}}^1$

素因数の和:71729

約数の個数: 32

約数和(自身を含む): 129060000

約数和(自身を除く): 74568760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 71699, 143398, 286796, 358495, 573592, 716990, 1362281, 1433980, 2724562, 2867960, 5449124, 6811405, 10898248, 13622810, 27245620, 54491240]

約数ペア:

[(1, 54491240), (2, 27245620), (4, 13622810), (5, 10898248), (8, 6811405), (10, 5449124), (19, 2867960), (20, 2724562), (38, 1433980), (40, 1362281), (76, 716990), (95, 573592), (152, 358495), (190, 286796), (380, 143398), (760, 71699)]