40556320

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{739}}^1$

素因数の和:775

約数の個数: 96

約数和(自身を含む): 111888000

約数和(自身を除く): 71331680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 739, 784, 980, 1120, 1372, 1478, 1568, 1715, 1960, 2744, 2956, 3430, 3695, 3920, 5173, 5488, 5912, 6860, 7390, 7840, 10346, 10976, 11824, 13720, 14780, 20692, 23648, 25865, 27440, 29560, 36211, 41384, 51730, 54880, 59120, 72422, 82768, 103460, 118240, 144844, 165536, 181055, 206920, 253477, 289688, 362110, 413840, 506954, 579376, 724220, 827680, 1013908, 1158752, 1267385, 1448440, 2027816, 2534770, 2896880, 4055632, 5069540, 5793760, 8111264, 10139080, 20278160, 40556320]

約数ペア:

[(1, 40556320), (2, 20278160), (4, 10139080), (5, 8111264), (7, 5793760), (8, 5069540), (10, 4055632), (14, 2896880), (16, 2534770), (20, 2027816), (28, 1448440), (32, 1267385), (35, 1158752), (40, 1013908), (49, 827680), (56, 724220), (70, 579376), (80, 506954), (98, 413840), (112, 362110), (140, 289688), (160, 253477), (196, 206920), (224, 181055), (245, 165536), (280, 144844), (343, 118240), (392, 103460), (490, 82768), (560, 72422), (686, 59120), (739, 54880), (784, 51730), (980, 41384), (1120, 36211), (1372, 29560), (1478, 27440), (1568, 25865), (1715, 23648), (1960, 20692), (2744, 14780), (2956, 13720), (3430, 11824), (3695, 10976), (3920, 10346), (5173, 7840), (5488, 7390), (5912, 6860)]