2719408040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{16741}}^1$

素因数の和:16914

約数の個数: 64

約数和(自身を含む): 6364638720

約数和(自身を除く): 3645230680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 155, 248, 262, 310, 524, 620, 655, 1048, 1240, 1310, 2620, 4061, 5240, 8122, 16244, 16741, 20305, 32488, 33482, 40610, 66964, 81220, 83705, 133928, 162440, 167410, 334820, 518971, 669640, 1037942, 2075884, 2193071, 2594855, 4151768, 4386142, 5189710, 8772284, 10379420, 10965355, 17544568, 20758840, 21930710, 43861420, 67985201, 87722840, 135970402, 271940804, 339926005, 543881608, 679852010, 1359704020, 2719408040]

約数ペア:

[(1, 2719408040), (2, 1359704020), (4, 679852010), (5, 543881608), (8, 339926005), (10, 271940804), (20, 135970402), (31, 87722840), (40, 67985201), (62, 43861420), (124, 21930710), (131, 20758840), (155, 17544568), (248, 10965355), (262, 10379420), (310, 8772284), (524, 5189710), (620, 4386142), (655, 4151768), (1048, 2594855), (1240, 2193071), (1310, 2075884), (2620, 1037942), (4061, 669640), (5240, 518971), (8122, 334820), (16244, 167410), (16741, 162440), (20305, 133928), (32488, 83705), (33482, 81220), (40610, 66964)]