25531136

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 55801200

約数和(自身を除く): 30270064

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 128, 152, 181, 232, 256, 304, 362, 464, 551, 608, 724, 928, 1102, 1216, 1448, 1856, 2204, 2432, 2896, 3439, 3712, 4408, 4864, 5249, 5792, 6878, 7424, 8816, 10498, 11584, 13756, 17632, 20996, 23168, 27512, 35264, 41992, 46336, 55024, 70528, 83984, 99731, 110048, 141056, 167968, 199462, 220096, 335936, 398924, 440192, 671872, 797848, 880384, 1343744, 1595696, 3191392, 6382784, 12765568, 25531136]

約数ペア:

[(1, 25531136), (2, 12765568), (4, 6382784), (8, 3191392), (16, 1595696), (19, 1343744), (29, 880384), (32, 797848), (38, 671872), (58, 440192), (64, 398924), (76, 335936), (116, 220096), (128, 199462), (152, 167968), (181, 141056), (232, 110048), (256, 99731), (304, 83984), (362, 70528), (464, 55024), (551, 46336), (608, 41992), (724, 35264), (928, 27512), (1102, 23168), (1216, 20996), (1448, 17632), (1856, 13756), (2204, 11584), (2432, 10498), (2896, 8816), (3439, 7424), (3712, 6878), (4408, 5792), (4864, 5249)]