81150950

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 155722176

約数和(自身を除く): 74571226

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 113, 226, 265, 271, 530, 542, 565, 1130, 1325, 1355, 2650, 2710, 2825, 5650, 5989, 6775, 11978, 13550, 14363, 28726, 29945, 30623, 59890, 61246, 71815, 143630, 149725, 153115, 299450, 306230, 359075, 718150, 765575, 1531150, 1623019, 3246038, 8115095, 16230190, 40575475, 81150950]

約数ペア:

[(1, 81150950), (2, 40575475), (5, 16230190), (10, 8115095), (25, 3246038), (50, 1623019), (53, 1531150), (106, 765575), (113, 718150), (226, 359075), (265, 306230), (271, 299450), (530, 153115), (542, 149725), (565, 143630), (1130, 71815), (1325, 61246), (1355, 59890), (2650, 30623), (2710, 29945), (2825, 28726), (5650, 14363), (5989, 13550), (6775, 11978)]