23915720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 56862000

約数和(自身を除く): 32946280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 53, 58, 106, 116, 145, 212, 232, 265, 290, 389, 424, 530, 580, 778, 1060, 1160, 1537, 1556, 1945, 2120, 3074, 3112, 3890, 6148, 7685, 7780, 11281, 12296, 15370, 15560, 20617, 22562, 30740, 41234, 45124, 56405, 61480, 82468, 90248, 103085, 112810, 164936, 206170, 225620, 412340, 451240, 597893, 824680, 1195786, 2391572, 2989465, 4783144, 5978930, 11957860, 23915720]

約数ペア:

[(1, 23915720), (2, 11957860), (4, 5978930), (5, 4783144), (8, 2989465), (10, 2391572), (20, 1195786), (29, 824680), (40, 597893), (53, 451240), (58, 412340), (106, 225620), (116, 206170), (145, 164936), (212, 112810), (232, 103085), (265, 90248), (290, 82468), (389, 61480), (424, 56405), (530, 45124), (580, 41234), (778, 30740), (1060, 22562), (1160, 20617), (1537, 15560), (1556, 15370), (1945, 12296), (2120, 11281), (3074, 7780), (3112, 7685), (3890, 6148)]