40261640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 93562560

約数和(自身を除く): 53300920

約数列:

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

約数ペア:

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