39879970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 80994816

約数和(自身を除く): 41114846

約数列:

[1, 2, 5, 10, 13, 26, 47, 61, 65, 94, 107, 122, 130, 214, 235, 305, 470, 535, 610, 611, 793, 1070, 1222, 1391, 1586, 2782, 2867, 3055, 3965, 5029, 5734, 6110, 6527, 6955, 7930, 10058, 13054, 13910, 14335, 25145, 28670, 32635, 37271, 50290, 65270, 65377, 74542, 84851, 130754, 169702, 186355, 306769, 326885, 372710, 424255, 613538, 653770, 848510, 1533845, 3067690, 3987997, 7975994, 19939985, 39879970]

約数ペア:

[(1, 39879970), (2, 19939985), (5, 7975994), (10, 3987997), (13, 3067690), (26, 1533845), (47, 848510), (61, 653770), (65, 613538), (94, 424255), (107, 372710), (122, 326885), (130, 306769), (214, 186355), (235, 169702), (305, 130754), (470, 84851), (535, 74542), (610, 65377), (611, 65270), (793, 50290), (1070, 37271), (1222, 32635), (1391, 28670), (1586, 25145), (2782, 14335), (2867, 13910), (3055, 13054), (3965, 10058), (5029, 7930), (5734, 6955), (6110, 6527)]