2008100120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{203249}}^1$

素因数の和:203292

約数の個数: 64

約数和(自身を含む): 5121900000

約数和(自身を除く): 3113799880

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 203249, 406498, 812996, 1016245, 1625992, 2032490, 2642237, 3861731, 4064980, 5284474, 7723462, 8129960, 10568948, 13211185, 15446924, 19308655, 21137896, 26422370, 30893848, 38617310, 50202503, 52844740, 77234620, 100405006, 105689480, 154469240, 200810012, 251012515, 401620024, 502025030, 1004050060, 2008100120]

約数ペア:

[(1, 2008100120), (2, 1004050060), (4, 502025030), (5, 401620024), (8, 251012515), (10, 200810012), (13, 154469240), (19, 105689480), (20, 100405006), (26, 77234620), (38, 52844740), (40, 50202503), (52, 38617310), (65, 30893848), (76, 26422370), (95, 21137896), (104, 19308655), (130, 15446924), (152, 13211185), (190, 10568948), (247, 8129960), (260, 7723462), (380, 5284474), (494, 4064980), (520, 3861731), (760, 2642237), (988, 2032490), (1235, 1625992), (1976, 1016245), (2470, 812996), (4940, 406498), (9880, 203249)]