809071720

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{2617}}^1$

素因数の和:2818

約数の個数: 64

約数和(自身を含む): 1866110400

約数和(自身を除く): 1057038680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 131, 236, 262, 295, 472, 524, 590, 655, 1048, 1180, 1310, 2360, 2617, 2620, 5234, 5240, 7729, 10468, 13085, 15458, 20936, 26170, 30916, 38645, 52340, 61832, 77290, 104680, 154403, 154580, 308806, 309160, 342827, 617612, 685654, 772015, 1235224, 1371308, 1544030, 1714135, 2742616, 3088060, 3428270, 6176120, 6856540, 13713080, 20226793, 40453586, 80907172, 101133965, 161814344, 202267930, 404535860, 809071720]

約数ペア:

[(1, 809071720), (2, 404535860), (4, 202267930), (5, 161814344), (8, 101133965), (10, 80907172), (20, 40453586), (40, 20226793), (59, 13713080), (118, 6856540), (131, 6176120), (236, 3428270), (262, 3088060), (295, 2742616), (472, 1714135), (524, 1544030), (590, 1371308), (655, 1235224), (1048, 772015), (1180, 685654), (1310, 617612), (2360, 342827), (2617, 309160), (2620, 308806), (5234, 154580), (5240, 154403), (7729, 104680), (10468, 77290), (13085, 61832), (15458, 52340), (20936, 38645), (26170, 30916)]