38839280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15661}}^1$

素因数の和:15705

約数の個数: 40

約数和(自身を含む): 93220224

約数和(自身を除く): 54380944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 15661, 31322, 62644, 78305, 125288, 156610, 250576, 313220, 485491, 626440, 970982, 1252880, 1941964, 2427455, 3883928, 4854910, 7767856, 9709820, 19419640, 38839280]

約数ペア:

[(1, 38839280), (2, 19419640), (4, 9709820), (5, 7767856), (8, 4854910), (10, 3883928), (16, 2427455), (20, 1941964), (31, 1252880), (40, 970982), (62, 626440), (80, 485491), (124, 313220), (155, 250576), (248, 156610), (310, 125288), (496, 78305), (620, 62644), (1240, 31322), (2480, 15661)]