12497680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 31966704

約数和(自身を除く): 19469024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 197, 208, 244, 260, 305, 394, 488, 520, 610, 788, 793, 976, 985, 1040, 1220, 1576, 1586, 1970, 2440, 2561, 3152, 3172, 3940, 3965, 4880, 5122, 6344, 7880, 7930, 10244, 12017, 12688, 12805, 15760, 15860, 20488, 24034, 25610, 31720, 40976, 48068, 51220, 60085, 63440, 96136, 102440, 120170, 156221, 192272, 204880, 240340, 312442, 480680, 624884, 781105, 961360, 1249768, 1562210, 2499536, 3124420, 6248840, 12497680]

約数ペア:

[(1, 12497680), (2, 6248840), (4, 3124420), (5, 2499536), (8, 1562210), (10, 1249768), (13, 961360), (16, 781105), (20, 624884), (26, 480680), (40, 312442), (52, 240340), (61, 204880), (65, 192272), (80, 156221), (104, 120170), (122, 102440), (130, 96136), (197, 63440), (208, 60085), (244, 51220), (260, 48068), (305, 40976), (394, 31720), (488, 25610), (520, 24034), (610, 20488), (788, 15860), (793, 15760), (976, 12805), (985, 12688), (1040, 12017), (1220, 10244), (1576, 7930), (1586, 7880), (1970, 6344), (2440, 5122), (2561, 4880), (3152, 3965), (3172, 3940)]