13791280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 33997824

約数和(自身を除く): 20206544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 83, 124, 134, 155, 166, 248, 268, 310, 332, 335, 415, 496, 536, 620, 664, 670, 830, 1072, 1240, 1328, 1340, 1660, 2077, 2480, 2573, 2680, 3320, 4154, 5146, 5360, 5561, 6640, 8308, 10292, 10385, 11122, 12865, 16616, 20584, 20770, 22244, 25730, 27805, 33232, 41168, 41540, 44488, 51460, 55610, 83080, 88976, 102920, 111220, 166160, 172391, 205840, 222440, 344782, 444880, 689564, 861955, 1379128, 1723910, 2758256, 3447820, 6895640, 13791280]

約数ペア:

[(1, 13791280), (2, 6895640), (4, 3447820), (5, 2758256), (8, 1723910), (10, 1379128), (16, 861955), (20, 689564), (31, 444880), (40, 344782), (62, 222440), (67, 205840), (80, 172391), (83, 166160), (124, 111220), (134, 102920), (155, 88976), (166, 83080), (248, 55610), (268, 51460), (310, 44488), (332, 41540), (335, 41168), (415, 33232), (496, 27805), (536, 25730), (620, 22244), (664, 20770), (670, 20584), (830, 16616), (1072, 12865), (1240, 11122), (1328, 10385), (1340, 10292), (1660, 8308), (2077, 6640), (2480, 5561), (2573, 5360), (2680, 5146), (3320, 4154)]