55452020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{787}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 126029568

約数和(自身を除く): 70577548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 542, 787, 1084, 1355, 1574, 2710, 3148, 3523, 3935, 5420, 7046, 7870, 10231, 14092, 15740, 17615, 20462, 35230, 40924, 51155, 70460, 102310, 204620, 213277, 426554, 853108, 1066385, 2132770, 2772601, 4265540, 5545202, 11090404, 13863005, 27726010, 55452020]

約数ペア:

[(1, 55452020), (2, 27726010), (4, 13863005), (5, 11090404), (10, 5545202), (13, 4265540), (20, 2772601), (26, 2132770), (52, 1066385), (65, 853108), (130, 426554), (260, 213277), (271, 204620), (542, 102310), (787, 70460), (1084, 51155), (1355, 40924), (1574, 35230), (2710, 20462), (3148, 17615), (3523, 15740), (3935, 14092), (5420, 10231), (7046, 7870)]