385899680

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{5897}}^1$

素因数の和:6321

約数の個数: 48

約数和(自身を含む): 914072040

約数和(自身を除く): 528172360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1636, 2045, 3272, 4090, 5897, 6544, 8180, 11794, 13088, 16360, 23588, 29485, 32720, 47176, 58970, 65440, 94352, 117940, 188704, 235880, 471760, 943520, 2411873, 4823746, 9647492, 12059365, 19294984, 24118730, 38589968, 48237460, 77179936, 96474920, 192949840, 385899680]

約数ペア:

[(1, 385899680), (2, 192949840), (4, 96474920), (5, 77179936), (8, 48237460), (10, 38589968), (16, 24118730), (20, 19294984), (32, 12059365), (40, 9647492), (80, 4823746), (160, 2411873), (409, 943520), (818, 471760), (1636, 235880), (2045, 188704), (3272, 117940), (4090, 94352), (5897, 65440), (6544, 58970), (8180, 47176), (11794, 32720), (13088, 29485), (16360, 23588)]