48807980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1433}}^1$

素因数の和:1586

約数の個数: 48

約数和(自身を含む): 111301344

約数和(自身を除く): 62493364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1433, 1703, 2620, 2866, 3406, 5732, 6812, 7165, 8515, 14330, 17030, 18629, 28660, 34060, 37258, 74516, 93145, 186290, 187723, 372580, 375446, 750892, 938615, 1877230, 2440399, 3754460, 4880798, 9761596, 12201995, 24403990, 48807980]

約数ペア:

[(1, 48807980), (2, 24403990), (4, 12201995), (5, 9761596), (10, 4880798), (13, 3754460), (20, 2440399), (26, 1877230), (52, 938615), (65, 750892), (130, 375446), (131, 372580), (260, 187723), (262, 186290), (524, 93145), (655, 74516), (1310, 37258), (1433, 34060), (1703, 28660), (2620, 18629), (2866, 17030), (3406, 14330), (5732, 8515), (6812, 7165)]