16855540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 38419920

約数和(自身を除く): 21564380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 269, 482, 538, 964, 1076, 1205, 1345, 2410, 2690, 3133, 3497, 4820, 5380, 6266, 6994, 12532, 13988, 15665, 17485, 31330, 34970, 62660, 64829, 69940, 129658, 259316, 324145, 648290, 842777, 1296580, 1685554, 3371108, 4213885, 8427770, 16855540]

約数ペア:

[(1, 16855540), (2, 8427770), (4, 4213885), (5, 3371108), (10, 1685554), (13, 1296580), (20, 842777), (26, 648290), (52, 324145), (65, 259316), (130, 129658), (241, 69940), (260, 64829), (269, 62660), (482, 34970), (538, 31330), (964, 17485), (1076, 15665), (1205, 13988), (1345, 12532), (2410, 6994), (2690, 6266), (3133, 5380), (3497, 4820)]