16345420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1283}}^1$

素因数の和:1319

約数の個数: 72

約数和(自身を含む): 43034544

約数和(自身を除く): 26689124

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1283, 1820, 2548, 2566, 3185, 5132, 6370, 6415, 8981, 12740, 12830, 16679, 17962, 25660, 33358, 35924, 44905, 62867, 66716, 83395, 89810, 116753, 125734, 166790, 179620, 233506, 251468, 314335, 333580, 467012, 583765, 628670, 817271, 1167530, 1257340, 1634542, 2335060, 3269084, 4086355, 8172710, 16345420]

約数ペア:

[(1, 16345420), (2, 8172710), (4, 4086355), (5, 3269084), (7, 2335060), (10, 1634542), (13, 1257340), (14, 1167530), (20, 817271), (26, 628670), (28, 583765), (35, 467012), (49, 333580), (52, 314335), (65, 251468), (70, 233506), (91, 179620), (98, 166790), (130, 125734), (140, 116753), (182, 89810), (196, 83395), (245, 66716), (260, 62867), (364, 44905), (455, 35924), (490, 33358), (637, 25660), (910, 17962), (980, 16679), (1274, 12830), (1283, 12740), (1820, 8981), (2548, 6415), (2566, 6370), (3185, 5132)]