40528880

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{211}}^1$

素因数の和:252

約数の個数: 100

約数和(自身を含む): 110449032

約数和(自身を除く): 69920152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 211, 245, 280, 343, 392, 422, 490, 560, 686, 784, 844, 980, 1055, 1372, 1477, 1688, 1715, 1960, 2110, 2401, 2744, 2954, 3376, 3430, 3920, 4220, 4802, 5488, 5908, 6860, 7385, 8440, 9604, 10339, 11816, 12005, 13720, 14770, 16880, 19208, 20678, 23632, 24010, 27440, 29540, 38416, 41356, 48020, 51695, 59080, 72373, 82712, 96040, 103390, 118160, 144746, 165424, 192080, 206780, 289492, 361865, 413560, 506611, 578984, 723730, 827120, 1013222, 1157968, 1447460, 2026444, 2533055, 2894920, 4052888, 5066110, 5789840, 8105776, 10132220, 20264440, 40528880]

約数ペア:

[(1, 40528880), (2, 20264440), (4, 10132220), (5, 8105776), (7, 5789840), (8, 5066110), (10, 4052888), (14, 2894920), (16, 2533055), (20, 2026444), (28, 1447460), (35, 1157968), (40, 1013222), (49, 827120), (56, 723730), (70, 578984), (80, 506611), (98, 413560), (112, 361865), (140, 289492), (196, 206780), (211, 192080), (245, 165424), (280, 144746), (343, 118160), (392, 103390), (422, 96040), (490, 82712), (560, 72373), (686, 59080), (784, 51695), (844, 48020), (980, 41356), (1055, 38416), (1372, 29540), (1477, 27440), (1688, 24010), (1715, 23632), (1960, 20678), (2110, 19208), (2401, 16880), (2744, 14770), (2954, 13720), (3376, 12005), (3430, 11816), (3920, 10339), (4220, 9604), (4802, 8440), (5488, 7385), (5908, 6860)]