87820640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:504

約数の個数: 96

約数和(自身を含む): 222899040

約数和(自身を除く): 135078400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 83, 85, 136, 160, 166, 170, 272, 332, 340, 389, 415, 544, 664, 680, 778, 830, 1328, 1360, 1411, 1556, 1660, 1945, 2656, 2720, 2822, 3112, 3320, 3890, 5644, 6224, 6613, 6640, 7055, 7780, 11288, 12448, 13226, 13280, 14110, 15560, 22576, 26452, 28220, 31120, 32287, 33065, 45152, 52904, 56440, 62240, 64574, 66130, 105808, 112880, 129148, 132260, 161435, 211616, 225760, 258296, 264520, 322870, 516592, 529040, 548879, 645740, 1033184, 1058080, 1097758, 1291480, 2195516, 2582960, 2744395, 4391032, 5165920, 5488790, 8782064, 10977580, 17564128, 21955160, 43910320, 87820640]

約数ペア:

[(1, 87820640), (2, 43910320), (4, 21955160), (5, 17564128), (8, 10977580), (10, 8782064), (16, 5488790), (17, 5165920), (20, 4391032), (32, 2744395), (34, 2582960), (40, 2195516), (68, 1291480), (80, 1097758), (83, 1058080), (85, 1033184), (136, 645740), (160, 548879), (166, 529040), (170, 516592), (272, 322870), (332, 264520), (340, 258296), (389, 225760), (415, 211616), (544, 161435), (664, 132260), (680, 129148), (778, 112880), (830, 105808), (1328, 66130), (1360, 64574), (1411, 62240), (1556, 56440), (1660, 52904), (1945, 45152), (2656, 33065), (2720, 32287), (2822, 31120), (3112, 28220), (3320, 26452), (3890, 22576), (5644, 15560), (6224, 14110), (6613, 13280), (6640, 13226), (7055, 12448), (7780, 11288)]