79798280

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12239}}^1$

素因数の和:12413

約数の個数: 32

約数和(自身を含む): 180662400

約数和(自身を除く): 100864120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 12239, 24478, 48956, 61195, 97912, 122390, 244780, 489560, 1994957, 3989914, 7979828, 9974785, 15959656, 19949570, 39899140, 79798280]

約数ペア:

[(1, 79798280), (2, 39899140), (4, 19949570), (5, 15959656), (8, 9974785), (10, 7979828), (20, 3989914), (40, 1994957), (163, 489560), (326, 244780), (652, 122390), (815, 97912), (1304, 61195), (1630, 48956), (3260, 24478), (6520, 12239)]