11789320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 27760320

約数和(自身を除く): 15971000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 83, 106, 134, 166, 212, 265, 268, 332, 335, 415, 424, 530, 536, 664, 670, 830, 1060, 1340, 1660, 2120, 2680, 3320, 3551, 4399, 5561, 7102, 8798, 11122, 14204, 17596, 17755, 21995, 22244, 27805, 28408, 35192, 35510, 43990, 44488, 55610, 71020, 87980, 111220, 142040, 175960, 222440, 294733, 589466, 1178932, 1473665, 2357864, 2947330, 5894660, 11789320]

約数ペア:

[(1, 11789320), (2, 5894660), (4, 2947330), (5, 2357864), (8, 1473665), (10, 1178932), (20, 589466), (40, 294733), (53, 222440), (67, 175960), (83, 142040), (106, 111220), (134, 87980), (166, 71020), (212, 55610), (265, 44488), (268, 43990), (332, 35510), (335, 35192), (415, 28408), (424, 27805), (530, 22244), (536, 21995), (664, 17755), (670, 17596), (830, 14204), (1060, 11122), (1340, 8798), (1660, 7102), (2120, 5561), (2680, 4399), (3320, 3551)]