507520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:93

約数の個数: 64

約数和(自身を含む): 1328040

約数和(自身を除く): 820520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 128, 130, 160, 208, 244, 260, 305, 320, 416, 488, 520, 610, 640, 793, 832, 976, 1040, 1220, 1586, 1664, 1952, 2080, 2440, 3172, 3904, 3965, 4160, 4880, 6344, 7808, 7930, 8320, 9760, 12688, 15860, 19520, 25376, 31720, 39040, 50752, 63440, 101504, 126880, 253760, 507520]

約数ペア:

[(1, 507520), (2, 253760), (4, 126880), (5, 101504), (8, 63440), (10, 50752), (13, 39040), (16, 31720), (20, 25376), (26, 19520), (32, 15860), (40, 12688), (52, 9760), (61, 8320), (64, 7930), (65, 7808), (80, 6344), (104, 4880), (122, 4160), (128, 3965), (130, 3904), (160, 3172), (208, 2440), (244, 2080), (260, 1952), (305, 1664), (320, 1586), (416, 1220), (488, 1040), (520, 976), (610, 832), (640, 793)]