417645020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{51817}}^1$

素因数の和:51870

約数の個数: 48

約数和(自身を含む): 975007488

約数和(自身を除く): 557362468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 51817, 103634, 207268, 259085, 518170, 673621, 1036340, 1347242, 1606327, 2694484, 3212654, 3368105, 6425308, 6736210, 8031635, 13472420, 16063270, 20882251, 32126540, 41764502, 83529004, 104411255, 208822510, 417645020]

約数ペア:

[(1, 417645020), (2, 208822510), (4, 104411255), (5, 83529004), (10, 41764502), (13, 32126540), (20, 20882251), (26, 16063270), (31, 13472420), (52, 8031635), (62, 6736210), (65, 6425308), (124, 3368105), (130, 3212654), (155, 2694484), (260, 1606327), (310, 1347242), (403, 1036340), (620, 673621), (806, 518170), (1612, 259085), (2015, 207268), (4030, 103634), (8060, 51817)]