1187291240

素因数分解:

$2^3\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{16481}}^1$

素因数の和:18293

約数の個数: 32

約数和(自身を含む): 2673050760

約数和(自身を除く): 1485759520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1801, 3602, 7204, 9005, 14408, 16481, 18010, 32962, 36020, 65924, 72040, 82405, 131848, 164810, 329620, 659240, 29682281, 59364562, 118729124, 148411405, 237458248, 296822810, 593645620, 1187291240]

約数ペア:

[(1, 1187291240), (2, 593645620), (4, 296822810), (5, 237458248), (8, 148411405), (10, 118729124), (20, 59364562), (40, 29682281), (1801, 659240), (3602, 329620), (7204, 164810), (9005, 131848), (14408, 82405), (16481, 72040), (18010, 65924), (32962, 36020)]