28380190

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1103}}^1$

素因数の和:1224

約数の個数: 32

約数和(自身を含む): 53415936

約数和(自身を除く): 25035746

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 830, 1103, 2206, 2573, 5146, 5515, 11030, 12865, 25730, 34193, 68386, 91549, 170965, 183098, 341930, 457745, 915490, 2838019, 5676038, 14190095, 28380190]

約数ペア:

[(1, 28380190), (2, 14190095), (5, 5676038), (10, 2838019), (31, 915490), (62, 457745), (83, 341930), (155, 183098), (166, 170965), (310, 91549), (415, 68386), (830, 34193), (1103, 25730), (2206, 12865), (2573, 11030), (5146, 5515)]