1980132215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{1627}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 2616261120

約数和(自身を除く): 636128905

約数列:

[1, 5, 19, 23, 95, 115, 437, 557, 1627, 2185, 2785, 8135, 10583, 12811, 30913, 37421, 52915, 64055, 154565, 187105, 243409, 710999, 906239, 1217045, 3554995, 4531195, 17218541, 20843497, 86092705, 104217485, 396026443, 1980132215]

約数ペア:

[(1, 1980132215), (5, 396026443), (19, 104217485), (23, 86092705), (95, 20843497), (115, 17218541), (437, 4531195), (557, 3554995), (1627, 1217045), (2185, 906239), (2785, 710999), (8135, 243409), (10583, 187105), (12811, 154565), (30913, 64055), (37421, 52915)]