38830720

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 101787840

約数和(自身を除く): 62957120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 83, 85, 86, 128, 136, 160, 166, 170, 172, 215, 272, 320, 332, 340, 344, 415, 430, 544, 640, 664, 680, 688, 731, 830, 860, 1088, 1328, 1360, 1376, 1411, 1462, 1660, 1720, 2176, 2656, 2720, 2752, 2822, 2924, 3320, 3440, 3569, 3655, 5312, 5440, 5504, 5644, 5848, 6640, 6880, 7055, 7138, 7310, 10624, 10880, 11288, 11696, 13280, 13760, 14110, 14276, 14620, 17845, 22576, 23392, 26560, 27520, 28220, 28552, 29240, 35690, 45152, 46784, 53120, 56440, 57104, 58480, 60673, 71380, 90304, 93568, 112880, 114208, 116960, 121346, 142760, 180608, 225760, 228416, 233920, 242692, 285520, 303365, 451520, 456832, 467840, 485384, 571040, 606730, 903040, 970768, 1142080, 1213460, 1941536, 2284160, 2426920, 3883072, 4853840, 7766144, 9707680, 19415360, 38830720]

約数ペア:

[(1, 38830720), (2, 19415360), (4, 9707680), (5, 7766144), (8, 4853840), (10, 3883072), (16, 2426920), (17, 2284160), (20, 1941536), (32, 1213460), (34, 1142080), (40, 970768), (43, 903040), (64, 606730), (68, 571040), (80, 485384), (83, 467840), (85, 456832), (86, 451520), (128, 303365), (136, 285520), (160, 242692), (166, 233920), (170, 228416), (172, 225760), (215, 180608), (272, 142760), (320, 121346), (332, 116960), (340, 114208), (344, 112880), (415, 93568), (430, 90304), (544, 71380), (640, 60673), (664, 58480), (680, 57104), (688, 56440), (731, 53120), (830, 46784), (860, 45152), (1088, 35690), (1328, 29240), (1360, 28552), (1376, 28220), (1411, 27520), (1462, 26560), (1660, 23392), (1720, 22576), (2176, 17845), (2656, 14620), (2720, 14276), (2752, 14110), (2822, 13760), (2924, 13280), (3320, 11696), (3440, 11288), (3569, 10880), (3655, 10624), (5312, 7310), (5440, 7138), (5504, 7055), (5644, 6880), (5848, 6640)]