31449080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 76839840

約数和(自身を除く): 45390760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 307, 394, 520, 614, 788, 985, 1228, 1535, 1576, 1970, 2456, 2561, 3070, 3940, 3991, 5122, 6140, 7880, 7982, 10244, 12280, 12805, 15964, 19955, 20488, 25610, 31928, 39910, 51220, 60479, 79820, 102440, 120958, 159640, 241916, 302395, 483832, 604790, 786227, 1209580, 1572454, 2419160, 3144908, 3931135, 6289816, 7862270, 15724540, 31449080]

約数ペア:

[(1, 31449080), (2, 15724540), (4, 7862270), (5, 6289816), (8, 3931135), (10, 3144908), (13, 2419160), (20, 1572454), (26, 1209580), (40, 786227), (52, 604790), (65, 483832), (104, 302395), (130, 241916), (197, 159640), (260, 120958), (307, 102440), (394, 79820), (520, 60479), (614, 51220), (788, 39910), (985, 31928), (1228, 25610), (1535, 20488), (1576, 19955), (1970, 15964), (2456, 12805), (2561, 12280), (3070, 10244), (3940, 7982), (3991, 7880), (5122, 6140)]