40400400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:409

約数の個数: 120

約数和(自身を含む): 130911264

約数和(自身を除く): 90510864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 131, 150, 200, 240, 257, 262, 300, 393, 400, 514, 524, 600, 655, 771, 786, 1028, 1048, 1200, 1285, 1310, 1542, 1572, 1965, 2056, 2096, 2570, 2620, 3084, 3144, 3275, 3855, 3930, 4112, 5140, 5240, 6168, 6288, 6425, 6550, 7710, 7860, 9825, 10280, 10480, 12336, 12850, 13100, 15420, 15720, 19275, 19650, 20560, 25700, 26200, 30840, 31440, 33667, 38550, 39300, 51400, 52400, 61680, 67334, 77100, 78600, 101001, 102800, 134668, 154200, 157200, 168335, 202002, 269336, 308400, 336670, 404004, 505005, 538672, 673340, 808008, 841675, 1010010, 1346680, 1616016, 1683350, 2020020, 2525025, 2693360, 3366700, 4040040, 5050050, 6733400, 8080080, 10100100, 13466800, 20200200, 40400400]

約数ペア:

[(1, 40400400), (2, 20200200), (3, 13466800), (4, 10100100), (5, 8080080), (6, 6733400), (8, 5050050), (10, 4040040), (12, 3366700), (15, 2693360), (16, 2525025), (20, 2020020), (24, 1683350), (25, 1616016), (30, 1346680), (40, 1010010), (48, 841675), (50, 808008), (60, 673340), (75, 538672), (80, 505005), (100, 404004), (120, 336670), (131, 308400), (150, 269336), (200, 202002), (240, 168335), (257, 157200), (262, 154200), (300, 134668), (393, 102800), (400, 101001), (514, 78600), (524, 77100), (600, 67334), (655, 61680), (771, 52400), (786, 51400), (1028, 39300), (1048, 38550), (1200, 33667), (1285, 31440), (1310, 30840), (1542, 26200), (1572, 25700), (1965, 20560), (2056, 19650), (2096, 19275), (2570, 15720), (2620, 15420), (3084, 13100), (3144, 12850), (3275, 12336), (3855, 10480), (3930, 10280), (4112, 9825), (5140, 7860), (5240, 7710), (6168, 6550), (6288, 6425)]