51658240

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1187}}^1$

素因数の和:1227

約数の個数: 80

約数和(自身を含む): 131254992

約数和(自身を除く): 79596752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1187, 1280, 1360, 2176, 2374, 2560, 2720, 4352, 4748, 5440, 5935, 8704, 9496, 10880, 11870, 18992, 20179, 21760, 23740, 37984, 40358, 43520, 47480, 75968, 80716, 94960, 100895, 151936, 161432, 189920, 201790, 303872, 322864, 379840, 403580, 607744, 645728, 759680, 807160, 1291456, 1519360, 1614320, 2582912, 3038720, 3228640, 5165824, 6457280, 10331648, 12914560, 25829120, 51658240]

約数ペア:

[(1, 51658240), (2, 25829120), (4, 12914560), (5, 10331648), (8, 6457280), (10, 5165824), (16, 3228640), (17, 3038720), (20, 2582912), (32, 1614320), (34, 1519360), (40, 1291456), (64, 807160), (68, 759680), (80, 645728), (85, 607744), (128, 403580), (136, 379840), (160, 322864), (170, 303872), (256, 201790), (272, 189920), (320, 161432), (340, 151936), (512, 100895), (544, 94960), (640, 80716), (680, 75968), (1088, 47480), (1187, 43520), (1280, 40358), (1360, 37984), (2176, 23740), (2374, 21760), (2560, 20179), (2720, 18992), (4352, 11870), (4748, 10880), (5440, 9496), (5935, 8704)]