23342920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 31089080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 83, 89, 158, 166, 178, 316, 332, 356, 395, 415, 445, 632, 664, 712, 790, 830, 890, 1580, 1660, 1780, 3160, 3320, 3560, 6557, 7031, 7387, 13114, 14062, 14774, 26228, 28124, 29548, 32785, 35155, 36935, 52456, 56248, 59096, 65570, 70310, 73870, 131140, 140620, 147740, 262280, 281240, 295480, 583573, 1167146, 2334292, 2917865, 4668584, 5835730, 11671460, 23342920]

約数ペア:

[(1, 23342920), (2, 11671460), (4, 5835730), (5, 4668584), (8, 2917865), (10, 2334292), (20, 1167146), (40, 583573), (79, 295480), (83, 281240), (89, 262280), (158, 147740), (166, 140620), (178, 131140), (316, 73870), (332, 70310), (356, 65570), (395, 59096), (415, 56248), (445, 52456), (632, 36935), (664, 35155), (712, 32785), (790, 29548), (830, 28124), (890, 26228), (1580, 14774), (1660, 14062), (1780, 13114), (3160, 7387), (3320, 7031), (3560, 6557)]