82455880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{617}}^1$

素因数の和:898

約数の個数: 64

約数和(自身を含む): 200899440

約数和(自身を除く): 118443560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 257, 260, 514, 520, 617, 1028, 1234, 1285, 2056, 2468, 2570, 3085, 3341, 4936, 5140, 6170, 6682, 8021, 10280, 12340, 13364, 16042, 16705, 24680, 26728, 32084, 33410, 40105, 64168, 66820, 80210, 133640, 158569, 160420, 317138, 320840, 634276, 792845, 1268552, 1585690, 2061397, 3171380, 4122794, 6342760, 8245588, 10306985, 16491176, 20613970, 41227940, 82455880]

約数ペア:

[(1, 82455880), (2, 41227940), (4, 20613970), (5, 16491176), (8, 10306985), (10, 8245588), (13, 6342760), (20, 4122794), (26, 3171380), (40, 2061397), (52, 1585690), (65, 1268552), (104, 792845), (130, 634276), (257, 320840), (260, 317138), (514, 160420), (520, 158569), (617, 133640), (1028, 80210), (1234, 66820), (1285, 64168), (2056, 40105), (2468, 33410), (2570, 32084), (3085, 26728), (3341, 24680), (4936, 16705), (5140, 16042), (6170, 13364), (6682, 12340), (8021, 10280)]