39906880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:264

約数の個数: 112

約数和(自身を含む): 104845104

約数和(自身を除く): 64938224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 104, 106, 130, 160, 181, 208, 212, 260, 265, 320, 362, 416, 424, 520, 530, 689, 724, 832, 848, 905, 1040, 1060, 1378, 1448, 1696, 1810, 2080, 2120, 2353, 2756, 2896, 3392, 3445, 3620, 4160, 4240, 4706, 5512, 5792, 6890, 7240, 8480, 9412, 9593, 11024, 11584, 11765, 13780, 14480, 16960, 18824, 19186, 22048, 23530, 27560, 28960, 37648, 38372, 44096, 47060, 47965, 55120, 57920, 75296, 76744, 94120, 95930, 110240, 124709, 150592, 153488, 188240, 191860, 220480, 249418, 306976, 376480, 383720, 498836, 613952, 623545, 752960, 767440, 997672, 1247090, 1534880, 1995344, 2494180, 3069760, 3990688, 4988360, 7981376, 9976720, 19953440, 39906880]

約数ペア:

[(1, 39906880), (2, 19953440), (4, 9976720), (5, 7981376), (8, 4988360), (10, 3990688), (13, 3069760), (16, 2494180), (20, 1995344), (26, 1534880), (32, 1247090), (40, 997672), (52, 767440), (53, 752960), (64, 623545), (65, 613952), (80, 498836), (104, 383720), (106, 376480), (130, 306976), (160, 249418), (181, 220480), (208, 191860), (212, 188240), (260, 153488), (265, 150592), (320, 124709), (362, 110240), (416, 95930), (424, 94120), (520, 76744), (530, 75296), (689, 57920), (724, 55120), (832, 47965), (848, 47060), (905, 44096), (1040, 38372), (1060, 37648), (1378, 28960), (1448, 27560), (1696, 23530), (1810, 22048), (2080, 19186), (2120, 18824), (2353, 16960), (2756, 14480), (2896, 13780), (3392, 11765), (3445, 11584), (3620, 11024), (4160, 9593), (4240, 9412), (4706, 8480), (5512, 7240), (5792, 6890)]