80523280

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 193362624

約数和(自身を除く): 112839344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 83, 134, 166, 181, 268, 332, 335, 362, 415, 536, 664, 670, 724, 830, 905, 1072, 1328, 1340, 1448, 1660, 1810, 2680, 2896, 3320, 3620, 5360, 5561, 6640, 7240, 11122, 12127, 14480, 15023, 22244, 24254, 27805, 30046, 44488, 48508, 55610, 60092, 60635, 75115, 88976, 97016, 111220, 120184, 121270, 150230, 194032, 222440, 240368, 242540, 300460, 444880, 485080, 600920, 970160, 1006541, 1201840, 2013082, 4026164, 5032705, 8052328, 10065410, 16104656, 20130820, 40261640, 80523280]

約数ペア:

[(1, 80523280), (2, 40261640), (4, 20130820), (5, 16104656), (8, 10065410), (10, 8052328), (16, 5032705), (20, 4026164), (40, 2013082), (67, 1201840), (80, 1006541), (83, 970160), (134, 600920), (166, 485080), (181, 444880), (268, 300460), (332, 242540), (335, 240368), (362, 222440), (415, 194032), (536, 150230), (664, 121270), (670, 120184), (724, 111220), (830, 97016), (905, 88976), (1072, 75115), (1328, 60635), (1340, 60092), (1448, 55610), (1660, 48508), (1810, 44488), (2680, 30046), (2896, 27805), (3320, 24254), (3620, 22244), (5360, 15023), (5561, 14480), (6640, 12127), (7240, 11122)]