65301520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 159489792

約数和(自身を除く): 94188272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 463, 656, 688, 820, 860, 926, 1640, 1720, 1763, 1852, 2315, 3280, 3440, 3526, 3704, 4630, 7052, 7408, 8815, 9260, 14104, 17630, 18520, 18983, 19909, 28208, 35260, 37040, 37966, 39818, 70520, 75932, 79636, 94915, 99545, 141040, 151864, 159272, 189830, 199090, 303728, 318544, 379660, 398180, 759320, 796360, 816269, 1518640, 1592720, 1632538, 3265076, 4081345, 6530152, 8162690, 13060304, 16325380, 32650760, 65301520]

約数ペア:

[(1, 65301520), (2, 32650760), (4, 16325380), (5, 13060304), (8, 8162690), (10, 6530152), (16, 4081345), (20, 3265076), (40, 1632538), (41, 1592720), (43, 1518640), (80, 816269), (82, 796360), (86, 759320), (164, 398180), (172, 379660), (205, 318544), (215, 303728), (328, 199090), (344, 189830), (410, 159272), (430, 151864), (463, 141040), (656, 99545), (688, 94915), (820, 79636), (860, 75932), (926, 70520), (1640, 39818), (1720, 37966), (1763, 37040), (1852, 35260), (2315, 28208), (3280, 19909), (3440, 18983), (3526, 18520), (3704, 17630), (4630, 14104), (7052, 9260), (7408, 8815)]