16789240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 41277600

約数和(自身を除く): 24488360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 389, 415, 520, 664, 778, 830, 1079, 1556, 1660, 1945, 2158, 3112, 3320, 3890, 4316, 5057, 5395, 7780, 8632, 10114, 10790, 15560, 20228, 21580, 25285, 32287, 40456, 43160, 50570, 64574, 101140, 129148, 161435, 202280, 258296, 322870, 419731, 645740, 839462, 1291480, 1678924, 2098655, 3357848, 4197310, 8394620, 16789240]

約数ペア:

[(1, 16789240), (2, 8394620), (4, 4197310), (5, 3357848), (8, 2098655), (10, 1678924), (13, 1291480), (20, 839462), (26, 645740), (40, 419731), (52, 322870), (65, 258296), (83, 202280), (104, 161435), (130, 129148), (166, 101140), (260, 64574), (332, 50570), (389, 43160), (415, 40456), (520, 32287), (664, 25285), (778, 21580), (830, 20228), (1079, 15560), (1556, 10790), (1660, 10114), (1945, 8632), (2158, 7780), (3112, 5395), (3320, 5057), (3890, 4316)]