80505970

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{487}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 148133376

約数和(自身を除く): 67627406

約数列:

[1, 2, 5, 10, 61, 122, 271, 305, 487, 542, 610, 974, 1355, 2435, 2710, 4870, 16531, 29707, 33062, 59414, 82655, 131977, 148535, 165310, 263954, 297070, 659885, 1319770, 8050597, 16101194, 40252985, 80505970]

約数ペア:

[(1, 80505970), (2, 40252985), (5, 16101194), (10, 8050597), (61, 1319770), (122, 659885), (271, 297070), (305, 263954), (487, 165310), (542, 148535), (610, 131977), (974, 82655), (1355, 59414), (2435, 33062), (2710, 29707), (4870, 16531)]