40526720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4871}}^1$

素因数の和:4903

約数の個数: 64

約数和(自身を含む): 104358240

約数和(自身を除く): 63831520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 4871, 8320, 9742, 19484, 24355, 38968, 48710, 63323, 77936, 97420, 126646, 155872, 194840, 253292, 311744, 316615, 389680, 506584, 623488, 633230, 779360, 1013168, 1266460, 1558720, 2026336, 2532920, 3117440, 4052672, 5065840, 8105344, 10131680, 20263360, 40526720]

約数ペア:

[(1, 40526720), (2, 20263360), (4, 10131680), (5, 8105344), (8, 5065840), (10, 4052672), (13, 3117440), (16, 2532920), (20, 2026336), (26, 1558720), (32, 1266460), (40, 1013168), (52, 779360), (64, 633230), (65, 623488), (80, 506584), (104, 389680), (128, 316615), (130, 311744), (160, 253292), (208, 194840), (260, 155872), (320, 126646), (416, 97420), (520, 77936), (640, 63323), (832, 48710), (1040, 38968), (1664, 24355), (2080, 19484), (4160, 9742), (4871, 8320)]